Home / 498,850.80-688,402.92-272,497.20

Finding the Fourth Proportional to 498,850.80, 688,402.92 and 272,497.20

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Solution

The fourth proportional to 498,850.80, 688,402.92 and 272,497.20 is: 376,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,850.80 : 688,402.92 = 272,497.20 : x
  2. Step 2: Convert to fraction form
    498,850.80/688,402.92 = 272,497.20/x
  3. Step 3: Cross multiply
    498,850.80x = 688,402.92 × 272,497.20
  4. Step 4: Simplify right side
    498,850.80x = 187,587,868,171.82
  5. Step 5: Solve for x
    x = 187,587,868,171.82/498,850.80
  6. Step 6: Final answer
    x = 376,040.03

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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.