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Finding the Fourth Proportional to 629,377.92, 868,243.92 and 425,500.44

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Solution

The fourth proportional to 629,377.92, 868,243.92 and 425,500.44 is: 586,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,377.92 : 868,243.92 = 425,500.44 : x
  2. Step 2: Convert to fraction form
    629,377.92/868,243.92 = 425,500.44/x
  3. Step 3: Cross multiply
    629,377.92x = 868,243.92 × 425,500.44
  4. Step 4: Simplify right side
    629,377.92x = 369,438,169,987.33
  5. Step 5: Solve for x
    x = 369,438,169,987.33/629,377.92
  6. Step 6: Final answer
    x = 586,989.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.