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Finding the Fourth Proportional to 498,600.82, 688,066.41 and 272,244.70

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Solution

The fourth proportional to 498,600.82, 688,066.41 and 272,244.70 is: 375,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,600.82 : 688,066.41 = 272,244.70 : x
  2. Step 2: Convert to fraction form
    498,600.82/688,066.41 = 272,244.70/x
  3. Step 3: Cross multiply
    498,600.82x = 688,066.41 × 272,244.70
  4. Step 4: Simplify right side
    498,600.82x = 187,322,433,370.53
  5. Step 5: Solve for x
    x = 187,322,433,370.53/498,600.82
  6. Step 6: Final answer
    x = 375,696.20

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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.