Home / 419,826.44-629,737.32-104,283.20

Finding the Fourth Proportional to 419,826.44, 629,737.32 and 104,283.20

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Solution

The fourth proportional to 419,826.44, 629,737.32 and 104,283.20 is: 156,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,826.44 : 629,737.32 = 104,283.20 : x
  2. Step 2: Convert to fraction form
    419,826.44/629,737.32 = 104,283.20/x
  3. Step 3: Cross multiply
    419,826.44x = 629,737.32 × 104,283.20
  4. Step 4: Simplify right side
    419,826.44x = 65,671,022,889.02
  5. Step 5: Solve for x
    x = 65,671,022,889.02/419,826.44
  6. Step 6: Final answer
    x = 156,424.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.