Home / 721,542.70-1,082,687.51-523,497.70

Finding the Fourth Proportional to 721,542.70, 1,082,687.51 and 523,497.70

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Solution

The fourth proportional to 721,542.70, 1,082,687.51 and 523,497.70 is: 785,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,542.70 : 1,082,687.51 = 523,497.70 : x
  2. Step 2: Convert to fraction form
    721,542.70/1,082,687.51 = 523,497.70/x
  3. Step 3: Cross multiply
    721,542.70x = 1,082,687.51 × 523,497.70
  4. Step 4: Simplify right side
    721,542.70x = 566,784,423,965.83
  5. Step 5: Solve for x
    x = 566,784,423,965.83/721,542.70
  6. Step 6: Final answer
    x = 785,517.51

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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.