Home / 729,909.12-1,093,821.12-329,555.52

Finding the Fourth Proportional to 729,909.12, 1,093,821.12 and 329,555.52

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Solution

The fourth proportional to 729,909.12, 1,093,821.12 and 329,555.52 is: 493,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,909.12 : 1,093,821.12 = 329,555.52 : x
  2. Step 2: Convert to fraction form
    729,909.12/1,093,821.12 = 329,555.52/x
  3. Step 3: Cross multiply
    729,909.12x = 1,093,821.12 × 329,555.52
  4. Step 4: Simplify right side
    729,909.12x = 360,474,787,988.58
  5. Step 5: Solve for x
    x = 360,474,787,988.58/729,909.12
  6. Step 6: Final answer
    x = 493,862.56

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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.