Home / 755,234.10-1,132,851.15-726,203.70

Finding the Fourth Proportional to 755,234.10, 1,132,851.15 and 726,203.70

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Solution

The fourth proportional to 755,234.10, 1,132,851.15 and 726,203.70 is: 1,089,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,234.10 : 1,132,851.15 = 726,203.70 : x
  2. Step 2: Convert to fraction form
    755,234.10/1,132,851.15 = 726,203.70/x
  3. Step 3: Cross multiply
    755,234.10x = 1,132,851.15 × 726,203.70
  4. Step 4: Simplify right side
    755,234.10x = 822,680,696,679.26
  5. Step 5: Solve for x
    x = 822,680,696,679.26/755,234.10
  6. Step 6: Final answer
    x = 1,089,305.55

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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.