Home / 498,541.62-687,983.83-272,187.12

Finding the Fourth Proportional to 498,541.62, 687,983.83 and 272,187.12

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Solution

The fourth proportional to 498,541.62, 687,983.83 and 272,187.12 is: 375,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,541.62 : 687,983.83 = 272,187.12 : x
  2. Step 2: Convert to fraction form
    498,541.62/687,983.83 = 272,187.12/x
  3. Step 3: Cross multiply
    498,541.62x = 687,983.83 × 272,187.12
  4. Step 4: Simplify right side
    498,541.62x = 187,260,337,294.27
  5. Step 5: Solve for x
    x = 187,260,337,294.27/498,541.62
  6. Step 6: Final answer
    x = 375,616.26

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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.