Home / 721,789.27-1,082,191.77-366,117.46

Finding the Fourth Proportional to 721,789.27, 1,082,191.77 and 366,117.46

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Solution

The fourth proportional to 721,789.27, 1,082,191.77 and 366,117.46 is: 548,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,789.27 : 1,082,191.77 = 366,117.46 : x
  2. Step 2: Convert to fraction form
    721,789.27/1,082,191.77 = 366,117.46/x
  3. Step 3: Cross multiply
    721,789.27x = 1,082,191.77 × 366,117.46
  4. Step 4: Simplify right side
    721,789.27x = 396,209,302,065.30
  5. Step 5: Solve for x
    x = 396,209,302,065.30/721,789.27
  6. Step 6: Final answer
    x = 548,926.56

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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.