Home / 747,220.39-1,120,747.52-267,428.81

Finding the Fourth Proportional to 747,220.39, 1,120,747.52 and 267,428.81

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Solution

The fourth proportional to 747,220.39, 1,120,747.52 and 267,428.81 is: 401,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,220.39 : 1,120,747.52 = 267,428.81 : x
  2. Step 2: Convert to fraction form
    747,220.39/1,120,747.52 = 267,428.81/x
  3. Step 3: Cross multiply
    747,220.39x = 1,120,747.52 × 267,428.81
  4. Step 4: Simplify right side
    747,220.39x = 299,720,175,584.05
  5. Step 5: Solve for x
    x = 299,720,175,584.05/747,220.39
  6. Step 6: Final answer
    x = 401,113.49

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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.