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Finding the Fourth Proportional to 498,952.56, 688,522.32 and 272,597.88

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Solution

The fourth proportional to 498,952.56, 688,522.32 and 272,597.88 is: 376,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,952.56 : 688,522.32 = 272,597.88 : x
  2. Step 2: Convert to fraction form
    498,952.56/688,522.32 = 272,597.88/x
  3. Step 3: Cross multiply
    498,952.56x = 688,522.32 × 272,597.88
  4. Step 4: Simplify right side
    498,952.56x = 187,689,724,764.68
  5. Step 5: Solve for x
    x = 187,689,724,764.68/498,952.56
  6. Step 6: Final answer
    x = 376,167.48

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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.