Home / 747,565.30-1,121,363.90-267,824.37

Finding the Fourth Proportional to 747,565.30, 1,121,363.90 and 267,824.37

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Solution

The fourth proportional to 747,565.30, 1,121,363.90 and 267,824.37 is: 401,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,565.30 : 1,121,363.90 = 267,824.37 : x
  2. Step 2: Convert to fraction form
    747,565.30/1,121,363.90 = 267,824.37/x
  3. Step 3: Cross multiply
    747,565.30x = 1,121,363.90 × 267,824.37
  4. Step 4: Simplify right side
    747,565.30x = 300,328,583,928.58
  5. Step 5: Solve for x
    x = 300,328,583,928.58/747,565.30
  6. Step 6: Final answer
    x = 401,742.27

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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.