Home / 498,845.20-748,267.80-433,891.30

Finding the Fourth Proportional to 498,845.20, 748,267.80 and 433,891.30

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Solution

The fourth proportional to 498,845.20, 748,267.80 and 433,891.30 is: 650,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,845.20 : 748,267.80 = 433,891.30 : x
  2. Step 2: Convert to fraction form
    498,845.20/748,267.80 = 433,891.30/x
  3. Step 3: Cross multiply
    498,845.20x = 748,267.80 × 433,891.30
  4. Step 4: Simplify right side
    498,845.20x = 324,666,888,490.14
  5. Step 5: Solve for x
    x = 324,666,888,490.14/498,845.20
  6. Step 6: Final answer
    x = 650,836.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.