Home / 498,934.62-688,528.26-272,581.74

Finding the Fourth Proportional to 498,934.62, 688,528.26 and 272,581.74

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Solution

The fourth proportional to 498,934.62, 688,528.26 and 272,581.74 is: 376,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,934.62 : 688,528.26 = 272,581.74 : x
  2. Step 2: Convert to fraction form
    498,934.62/688,528.26 = 272,581.74/x
  3. Step 3: Cross multiply
    498,934.62x = 688,528.26 × 272,581.74
  4. Step 4: Simplify right side
    498,934.62x = 187,680,231,149.97
  5. Step 5: Solve for x
    x = 187,680,231,149.97/498,934.62
  6. Step 6: Final answer
    x = 376,161.97

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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.