Home / 721,793.77-1,084,091.92-531,502.56

Finding the Fourth Proportional to 721,793.77, 1,084,091.92 and 531,502.56

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Solution

The fourth proportional to 721,793.77, 1,084,091.92 and 531,502.56 is: 798,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,793.77 : 1,084,091.92 = 531,502.56 : x
  2. Step 2: Convert to fraction form
    721,793.77/1,084,091.92 = 531,502.56/x
  3. Step 3: Cross multiply
    721,793.77x = 1,084,091.92 × 531,502.56
  4. Step 4: Simplify right side
    721,793.77x = 576,197,629,426.56
  5. Step 5: Solve for x
    x = 576,197,629,426.56/721,793.77
  6. Step 6: Final answer
    x = 798,285.68

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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.