Home / 747,694.92-1,031,836.68-408,165.60

Finding the Fourth Proportional to 747,694.92, 1,031,836.68 and 408,165.60

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Solution

The fourth proportional to 747,694.92, 1,031,836.68 and 408,165.60 is: 563,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,694.92 : 1,031,836.68 = 408,165.60 : x
  2. Step 2: Convert to fraction form
    747,694.92/1,031,836.68 = 408,165.60/x
  3. Step 3: Cross multiply
    747,694.92x = 1,031,836.68 × 408,165.60
  4. Step 4: Simplify right side
    747,694.92x = 421,160,237,594.21
  5. Step 5: Solve for x
    x = 421,160,237,594.21/747,694.92
  6. Step 6: Final answer
    x = 563,278.19

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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.