Home / 498,542.20-747,813.30-203,054.20

Finding the Fourth Proportional to 498,542.20, 747,813.30 and 203,054.20

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Solution

The fourth proportional to 498,542.20, 747,813.30 and 203,054.20 is: 304,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,542.20 : 747,813.30 = 203,054.20 : x
  2. Step 2: Convert to fraction form
    498,542.20/747,813.30 = 203,054.20/x
  3. Step 3: Cross multiply
    498,542.20x = 747,813.30 × 203,054.20
  4. Step 4: Simplify right side
    498,542.20x = 151,846,631,380.86
  5. Step 5: Solve for x
    x = 151,846,631,380.86/498,542.20
  6. Step 6: Final answer
    x = 304,581.30

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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.