Home / 747,633.96-1,031,734.56-408,102.21

Finding the Fourth Proportional to 747,633.96, 1,031,734.56 and 408,102.21

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Solution

The fourth proportional to 747,633.96, 1,031,734.56 and 408,102.21 is: 563,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,633.96 : 1,031,734.56 = 408,102.21 : x
  2. Step 2: Convert to fraction form
    747,633.96/1,031,734.56 = 408,102.21/x
  3. Step 3: Cross multiply
    747,633.96x = 1,031,734.56 × 408,102.21
  4. Step 4: Simplify right side
    747,633.96x = 421,053,154,069.38
  5. Step 5: Solve for x
    x = 421,053,154,069.38/747,633.96
  6. Step 6: Final answer
    x = 563,180.88

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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.