Home / 980,750.29-1,471,123.26-261,092.17

Finding the Fourth Proportional to 980,750.29, 1,471,123.26 and 261,092.17

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Solution

The fourth proportional to 980,750.29, 1,471,123.26 and 261,092.17 is: 391,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,750.29 : 1,471,123.26 = 261,092.17 : x
  2. Step 2: Convert to fraction form
    980,750.29/1,471,123.26 = 261,092.17/x
  3. Step 3: Cross multiply
    980,750.29x = 1,471,123.26 × 261,092.17
  4. Step 4: Simplify right side
    980,750.29x = 384,098,764,290.87
  5. Step 5: Solve for x
    x = 384,098,764,290.87/980,750.29
  6. Step 6: Final answer
    x = 391,637.68

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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.