Home / 498,422.64-687,823.04-272,068.14

Finding the Fourth Proportional to 498,422.64, 687,823.04 and 272,068.14

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Solution

The fourth proportional to 498,422.64, 687,823.04 and 272,068.14 is: 375,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,422.64 : 687,823.04 = 272,068.14 : x
  2. Step 2: Convert to fraction form
    498,422.64/687,823.04 = 272,068.14/x
  3. Step 3: Cross multiply
    498,422.64x = 687,823.04 × 272,068.14
  4. Step 4: Simplify right side
    498,422.64x = 187,134,735,141.95
  5. Step 5: Solve for x
    x = 187,134,735,141.95/498,422.64
  6. Step 6: Final answer
    x = 375,453.92

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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.