Home / 747,695.92-1,121,113-511,325.04

Finding the Fourth Proportional to 747,695.92, 1,121,113 and 511,325.04

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Solution

The fourth proportional to 747,695.92, 1,121,113 and 511,325.04 is: 766,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,695.92 : 1,121,113 = 511,325.04 : x
  2. Step 2: Convert to fraction form
    747,695.92/1,121,113 = 511,325.04/x
  3. Step 3: Cross multiply
    747,695.92x = 1,121,113 × 511,325.04
  4. Step 4: Simplify right side
    747,695.92x = 573,253,149,569.52
  5. Step 5: Solve for x
    x = 573,253,149,569.52/747,695.92
  6. Step 6: Final answer
    x = 766,692.90

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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.