The father of the prodigal son welcomed him back home because
Answer Details
The father of the prodigal son welcomed him back home because he had compassion on his son. Despite his son having squandered his inheritance, the father was overjoyed to see him return and showed him great love and forgiveness. The son did confess his sins, but it was the father's mercy and love that led him to welcome his son back home. The father's motive was not to wonder how wretched his son had become or because he had missed his son for a long time, but rather out of pure love and compassion for his son.