Home / 498,414.20-747,621.30-498,414.20

Finding the Fourth Proportional to 498,414.20, 747,621.30 and 498,414.20

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Solution

The fourth proportional to 498,414.20, 747,621.30 and 498,414.20 is: 747,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,414.20 : 747,621.30 = 498,414.20 : x
  2. Step 2: Convert to fraction form
    498,414.20/747,621.30 = 498,414.20/x
  3. Step 3: Cross multiply
    498,414.20x = 747,621.30 × 498,414.20
  4. Step 4: Simplify right side
    498,414.20x = 372,625,072,142.46
  5. Step 5: Solve for x
    x = 372,625,072,142.46/498,414.20
  6. Step 6: Final answer
    x = 747,621.30

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Half scale
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Double scale
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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.