Home / 521,941.68-782,720.49-180,298.17

Finding the Fourth Proportional to 521,941.68, 782,720.49 and 180,298.17

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Solution

The fourth proportional to 521,941.68, 782,720.49 and 180,298.17 is: 270,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,941.68 : 782,720.49 = 180,298.17 : x
  2. Step 2: Convert to fraction form
    521,941.68/782,720.49 = 180,298.17/x
  3. Step 3: Cross multiply
    521,941.68x = 782,720.49 × 180,298.17
  4. Step 4: Simplify right side
    521,941.68x = 141,123,072,644.62
  5. Step 5: Solve for x
    x = 141,123,072,644.62/521,941.68
  6. Step 6: Final answer
    x = 270,380.92

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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.