Home / 724,814.60-1,087,221.90-444,489.80

Finding the Fourth Proportional to 724,814.60, 1,087,221.90 and 444,489.80

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Solution

The fourth proportional to 724,814.60, 1,087,221.90 and 444,489.80 is: 666,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,814.60 : 1,087,221.90 = 444,489.80 : x
  2. Step 2: Convert to fraction form
    724,814.60/1,087,221.90 = 444,489.80/x
  3. Step 3: Cross multiply
    724,814.60x = 1,087,221.90 × 444,489.80
  4. Step 4: Simplify right side
    724,814.60x = 483,259,044,886.62
  5. Step 5: Solve for x
    x = 483,259,044,886.62/724,814.60
  6. Step 6: Final answer
    x = 666,734.70

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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.