Home / 773,910.28-1,161,313.62-324,591.04

Finding the Fourth Proportional to 773,910.28, 1,161,313.62 and 324,591.04

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Solution

The fourth proportional to 773,910.28, 1,161,313.62 and 324,591.04 is: 487,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,910.28 : 1,161,313.62 = 324,591.04 : x
  2. Step 2: Convert to fraction form
    773,910.28/1,161,313.62 = 324,591.04/x
  3. Step 3: Cross multiply
    773,910.28x = 1,161,313.62 × 324,591.04
  4. Step 4: Simplify right side
    773,910.28x = 376,951,995,681.97
  5. Step 5: Solve for x
    x = 376,951,995,681.97/773,910.28
  6. Step 6: Final answer
    x = 487,074.54

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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.