Home / 747,121.86-1,120,293.45-267,164.64

Finding the Fourth Proportional to 747,121.86, 1,120,293.45 and 267,164.64

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Solution

The fourth proportional to 747,121.86, 1,120,293.45 and 267,164.64 is: 400,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,121.86 : 1,120,293.45 = 267,164.64 : x
  2. Step 2: Convert to fraction form
    747,121.86/1,120,293.45 = 267,164.64/x
  3. Step 3: Cross multiply
    747,121.86x = 1,120,293.45 × 267,164.64
  4. Step 4: Simplify right side
    747,121.86x = 299,302,799,732.25
  5. Step 5: Solve for x
    x = 299,302,799,732.25/747,121.86
  6. Step 6: Final answer
    x = 400,607.74

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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.