Home / 498,724.56-688,242.42-272,370.06

Finding the Fourth Proportional to 498,724.56, 688,242.42 and 272,370.06

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Solution

The fourth proportional to 498,724.56, 688,242.42 and 272,370.06 is: 375,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,724.56 : 688,242.42 = 272,370.06 : x
  2. Step 2: Convert to fraction form
    498,724.56/688,242.42 = 272,370.06/x
  3. Step 3: Cross multiply
    498,724.56x = 688,242.42 × 272,370.06
  4. Step 4: Simplify right side
    498,724.56x = 187,456,629,229.95
  5. Step 5: Solve for x
    x = 187,456,629,229.95/498,724.56
  6. Step 6: Final answer
    x = 375,872.06

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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.