Home / 754,655.28-1,131,982.92-517,278.32

Finding the Fourth Proportional to 754,655.28, 1,131,982.92 and 517,278.32

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Solution

The fourth proportional to 754,655.28, 1,131,982.92 and 517,278.32 is: 775,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,655.28 : 1,131,982.92 = 517,278.32 : x
  2. Step 2: Convert to fraction form
    754,655.28/1,131,982.92 = 517,278.32/x
  3. Step 3: Cross multiply
    754,655.28x = 1,131,982.92 × 517,278.32
  4. Step 4: Simplify right side
    754,655.28x = 585,550,223,126.29
  5. Step 5: Solve for x
    x = 585,550,223,126.29/754,655.28
  6. Step 6: Final answer
    x = 775,917.48

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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.