Home / 730,542.42-1,008,170.19-408,253.44

Finding the Fourth Proportional to 730,542.42, 1,008,170.19 and 408,253.44

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Solution

The fourth proportional to 730,542.42, 1,008,170.19 and 408,253.44 is: 563,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,542.42 : 1,008,170.19 = 408,253.44 : x
  2. Step 2: Convert to fraction form
    730,542.42/1,008,170.19 = 408,253.44/x
  3. Step 3: Cross multiply
    730,542.42x = 1,008,170.19 × 408,253.44
  4. Step 4: Simplify right side
    730,542.42x = 411,588,948,172.95
  5. Step 5: Solve for x
    x = 411,588,948,172.95/730,542.42
  6. Step 6: Final answer
    x = 563,401.85

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.