Home / 748,432.60-1,122,648.90-449,834.20

Finding the Fourth Proportional to 748,432.60, 1,122,648.90 and 449,834.20

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Solution

The fourth proportional to 748,432.60, 1,122,648.90 and 449,834.20 is: 674,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,432.60 : 1,122,648.90 = 449,834.20 : x
  2. Step 2: Convert to fraction form
    748,432.60/1,122,648.90 = 449,834.20/x
  3. Step 3: Cross multiply
    748,432.60x = 1,122,648.90 × 449,834.20
  4. Step 4: Simplify right side
    748,432.60x = 505,005,869,812.38
  5. Step 5: Solve for x
    x = 505,005,869,812.38/748,432.60
  6. Step 6: Final answer
    x = 674,751.30

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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.