Home / 721,867.80-1,082,952.36-216,408.36

Finding the Fourth Proportional to 721,867.80, 1,082,952.36 and 216,408.36

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Solution

The fourth proportional to 721,867.80, 1,082,952.36 and 216,408.36 is: 324,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,867.80 : 1,082,952.36 = 216,408.36 : x
  2. Step 2: Convert to fraction form
    721,867.80/1,082,952.36 = 216,408.36/x
  3. Step 3: Cross multiply
    721,867.80x = 1,082,952.36 × 216,408.36
  4. Step 4: Simplify right side
    721,867.80x = 234,359,944,185.73
  5. Step 5: Solve for x
    x = 234,359,944,185.73/721,867.80
  6. Step 6: Final answer
    x = 324,657.71

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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.