Home / 498,591.40-687,817.02-362,414.20

Finding the Fourth Proportional to 498,591.40, 687,817.02 and 362,414.20

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Solution

The fourth proportional to 498,591.40, 687,817.02 and 362,414.20 is: 499,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,591.40 : 687,817.02 = 362,414.20 : x
  2. Step 2: Convert to fraction form
    498,591.40/687,817.02 = 362,414.20/x
  3. Step 3: Cross multiply
    498,591.40x = 687,817.02 × 362,414.20
  4. Step 4: Simplify right side
    498,591.40x = 249,274,655,049.68
  5. Step 5: Solve for x
    x = 249,274,655,049.68/498,591.40
  6. Step 6: Final answer
    x = 499,957.79

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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.