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Finding the Fourth Proportional to 659,136.30, 988,704.45 and 501,672.30

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Solution

The fourth proportional to 659,136.30, 988,704.45 and 501,672.30 is: 752,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,136.30 : 988,704.45 = 501,672.30 : x
  2. Step 2: Convert to fraction form
    659,136.30/988,704.45 = 501,672.30/x
  3. Step 3: Cross multiply
    659,136.30x = 988,704.45 × 501,672.30
  4. Step 4: Simplify right side
    659,136.30x = 496,005,635,451.74
  5. Step 5: Solve for x
    x = 496,005,635,451.74/659,136.30
  6. Step 6: Final answer
    x = 752,508.45

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Double scale
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Similar ratio
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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.