Home / 901,520.20-1,350,315.18-451,456.12

Finding the Fourth Proportional to 901,520.20, 1,350,315.18 and 451,456.12

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Solution

The fourth proportional to 901,520.20, 1,350,315.18 and 451,456.12 is: 676,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,520.20 : 1,350,315.18 = 451,456.12 : x
  2. Step 2: Convert to fraction form
    901,520.20/1,350,315.18 = 451,456.12/x
  3. Step 3: Cross multiply
    901,520.20x = 1,350,315.18 × 451,456.12
  4. Step 4: Simplify right side
    901,520.20x = 609,608,051,939.90
  5. Step 5: Solve for x
    x = 609,608,051,939.90/901,520.20
  6. Step 6: Final answer
    x = 676,200.10

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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.