Home / 747,104.28-1,031,119.38-441,213.72

Finding the Fourth Proportional to 747,104.28, 1,031,119.38 and 441,213.72

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Solution

The fourth proportional to 747,104.28, 1,031,119.38 and 441,213.72 is: 608,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,104.28 : 1,031,119.38 = 441,213.72 : x
  2. Step 2: Convert to fraction form
    747,104.28/1,031,119.38 = 441,213.72/x
  3. Step 3: Cross multiply
    747,104.28x = 1,031,119.38 × 441,213.72
  4. Step 4: Simplify right side
    747,104.28x = 454,944,017,413.89
  5. Step 5: Solve for x
    x = 454,944,017,413.89/747,104.28
  6. Step 6: Final answer
    x = 608,943.13

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Double scale
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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.