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Finding the Fourth Proportional to 629,658.38, 944,487.32 and 156,343.74

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Solution

The fourth proportional to 629,658.38, 944,487.32 and 156,343.74 is: 234,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,658.38 : 944,487.32 = 156,343.74 : x
  2. Step 2: Convert to fraction form
    629,658.38/944,487.32 = 156,343.74/x
  3. Step 3: Cross multiply
    629,658.38x = 944,487.32 × 156,343.74
  4. Step 4: Simplify right side
    629,658.38x = 147,664,679,209.66
  5. Step 5: Solve for x
    x = 147,664,679,209.66/629,658.38
  6. Step 6: Final answer
    x = 234,515.55

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1.5x scale

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.