Home / 725,191.20-1,086,474.60-444,380.40

Finding the Fourth Proportional to 725,191.20, 1,086,474.60 and 444,380.40

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Solution

The fourth proportional to 725,191.20, 1,086,474.60 and 444,380.40 is: 665,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,191.20 : 1,086,474.60 = 444,380.40 : x
  2. Step 2: Convert to fraction form
    725,191.20/1,086,474.60 = 444,380.40/x
  3. Step 3: Cross multiply
    725,191.20x = 1,086,474.60 × 444,380.40
  4. Step 4: Simplify right side
    725,191.20x = 482,808,017,337.84
  5. Step 5: Solve for x
    x = 482,808,017,337.84/725,191.20
  6. Step 6: Final answer
    x = 665,766.51

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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.