Home / 721,561.74-1,082,715.92-523,516.74

Finding the Fourth Proportional to 721,561.74, 1,082,715.92 and 523,516.74

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Solution

The fourth proportional to 721,561.74, 1,082,715.92 and 523,516.74 is: 785,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,561.74 : 1,082,715.92 = 523,516.74 : x
  2. Step 2: Convert to fraction form
    721,561.74/1,082,715.92 = 523,516.74/x
  3. Step 3: Cross multiply
    721,561.74x = 1,082,715.92 × 523,516.74
  4. Step 4: Simplify right side
    721,561.74x = 566,819,906,166.92
  5. Step 5: Solve for x
    x = 566,819,906,166.92/721,561.74
  6. Step 6: Final answer
    x = 785,545.96

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Double scale
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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.