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Finding the Fourth Proportional to 424,737.47, 636,358.83 and 399,452.51

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Solution

The fourth proportional to 424,737.47, 636,358.83 and 399,452.51 is: 598,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,737.47 : 636,358.83 = 399,452.51 : x
  2. Step 2: Convert to fraction form
    424,737.47/636,358.83 = 399,452.51/x
  3. Step 3: Cross multiply
    424,737.47x = 636,358.83 × 399,452.51
  4. Step 4: Simplify right side
    424,737.47x = 254,195,134,244.03
  5. Step 5: Solve for x
    x = 254,195,134,244.03/424,737.47
  6. Step 6: Final answer
    x = 598,475.88

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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.