Home / 724,818.60-1,087,227.90-444,493.80

Finding the Fourth Proportional to 724,818.60, 1,087,227.90 and 444,493.80

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Solution

The fourth proportional to 724,818.60, 1,087,227.90 and 444,493.80 is: 666,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,818.60 : 1,087,227.90 = 444,493.80 : x
  2. Step 2: Convert to fraction form
    724,818.60/1,087,227.90 = 444,493.80/x
  3. Step 3: Cross multiply
    724,818.60x = 1,087,227.90 × 444,493.80
  4. Step 4: Simplify right side
    724,818.60x = 483,266,060,737.02
  5. Step 5: Solve for x
    x = 483,266,060,737.02/724,818.60
  6. Step 6: Final answer
    x = 666,740.70

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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.