Home / 502,255.26-693,117.42-272,814.78

Finding the Fourth Proportional to 502,255.26, 693,117.42 and 272,814.78

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Solution

The fourth proportional to 502,255.26, 693,117.42 and 272,814.78 is: 376,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,255.26 : 693,117.42 = 272,814.78 : x
  2. Step 2: Convert to fraction form
    502,255.26/693,117.42 = 272,814.78/x
  3. Step 3: Cross multiply
    502,255.26x = 693,117.42 × 272,814.78
  4. Step 4: Simplify right side
    502,255.26x = 189,092,676,451.47
  5. Step 5: Solve for x
    x = 189,092,676,451.47/502,255.26
  6. Step 6: Final answer
    x = 376,487.20

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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.