Home / 729,101.10-1,093,651.65-655,617.90

Finding the Fourth Proportional to 729,101.10, 1,093,651.65 and 655,617.90

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Solution

The fourth proportional to 729,101.10, 1,093,651.65 and 655,617.90 is: 983,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,101.10 : 1,093,651.65 = 655,617.90 : x
  2. Step 2: Convert to fraction form
    729,101.10/1,093,651.65 = 655,617.90/x
  3. Step 3: Cross multiply
    729,101.10x = 1,093,651.65 × 655,617.90
  4. Step 4: Simplify right side
    729,101.10x = 717,017,598,104.54
  5. Step 5: Solve for x
    x = 717,017,598,104.54/729,101.10
  6. Step 6: Final answer
    x = 983,426.85

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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.