Home / 747,348.40-1,120,803.90-267,520.60

Finding the Fourth Proportional to 747,348.40, 1,120,803.90 and 267,520.60

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Solution

The fourth proportional to 747,348.40, 1,120,803.90 and 267,520.60 is: 401,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,348.40 : 1,120,803.90 = 267,520.60 : x
  2. Step 2: Convert to fraction form
    747,348.40/1,120,803.90 = 267,520.60/x
  3. Step 3: Cross multiply
    747,348.40x = 1,120,803.90 × 267,520.60
  4. Step 4: Simplify right side
    747,348.40x = 299,838,131,810.34
  5. Step 5: Solve for x
    x = 299,838,131,810.34/747,348.40
  6. Step 6: Final answer
    x = 401,202.61

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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.