Home / 724,286.30-1,085,997.45-444,004.70

Finding the Fourth Proportional to 724,286.30, 1,085,997.45 and 444,004.70

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Solution

The fourth proportional to 724,286.30, 1,085,997.45 and 444,004.70 is: 665,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,286.30 : 1,085,997.45 = 444,004.70 : x
  2. Step 2: Convert to fraction form
    724,286.30/1,085,997.45 = 444,004.70/x
  3. Step 3: Cross multiply
    724,286.30x = 1,085,997.45 × 444,004.70
  4. Step 4: Simplify right side
    724,286.30x = 482,187,971,988.02
  5. Step 5: Solve for x
    x = 482,187,971,988.02/724,286.30
  6. Step 6: Final answer
    x = 665,742.22

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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.