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Finding the Fourth Proportional to 502,149.59, 755,939.15 and 457,458.17

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Solution

The fourth proportional to 502,149.59, 755,939.15 and 457,458.17 is: 688,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,149.59 : 755,939.15 = 457,458.17 : x
  2. Step 2: Convert to fraction form
    502,149.59/755,939.15 = 457,458.17/x
  3. Step 3: Cross multiply
    502,149.59x = 755,939.15 × 457,458.17
  4. Step 4: Simplify right side
    502,149.59x = 345,810,537,554.31
  5. Step 5: Solve for x
    x = 345,810,537,554.31/502,149.59
  6. Step 6: Final answer
    x = 688,660.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.