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Finding the Fourth Proportional to 558,874.20, 838,311.30 and 444,712.80

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Solution

The fourth proportional to 558,874.20, 838,311.30 and 444,712.80 is: 667,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,874.20 : 838,311.30 = 444,712.80 : x
  2. Step 2: Convert to fraction form
    558,874.20/838,311.30 = 444,712.80/x
  3. Step 3: Cross multiply
    558,874.20x = 838,311.30 × 444,712.80
  4. Step 4: Simplify right side
    558,874.20x = 372,807,765,494.64
  5. Step 5: Solve for x
    x = 372,807,765,494.64/558,874.20
  6. Step 6: Final answer
    x = 667,069.20

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Double scale
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Similar ratio
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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.