Home / 498,541.32-687,983.49-272,186.82

Finding the Fourth Proportional to 498,541.32, 687,983.49 and 272,186.82

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Solution

The fourth proportional to 498,541.32, 687,983.49 and 272,186.82 is: 375,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,541.32 : 687,983.49 = 272,186.82 : x
  2. Step 2: Convert to fraction form
    498,541.32/687,983.49 = 272,186.82/x
  3. Step 3: Cross multiply
    498,541.32x = 687,983.49 × 272,186.82
  4. Step 4: Simplify right side
    498,541.32x = 187,260,038,355.60
  5. Step 5: Solve for x
    x = 187,260,038,355.60/498,541.32
  6. Step 6: Final answer
    x = 375,615.88

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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.