Home / 747,220.53-1,120,747.72-267,428.93

Finding the Fourth Proportional to 747,220.53, 1,120,747.72 and 267,428.93

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Solution

The fourth proportional to 747,220.53, 1,120,747.72 and 267,428.93 is: 401,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,220.53 : 1,120,747.72 = 267,428.93 : x
  2. Step 2: Convert to fraction form
    747,220.53/1,120,747.72 = 267,428.93/x
  3. Step 3: Cross multiply
    747,220.53x = 1,120,747.72 × 267,428.93
  4. Step 4: Simplify right side
    747,220.53x = 299,720,357,287.23
  5. Step 5: Solve for x
    x = 299,720,357,287.23/747,220.53
  6. Step 6: Final answer
    x = 401,113.65

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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.