Home / 752,809.45-1,128,355.22-303,242.65

Finding the Fourth Proportional to 752,809.45, 1,128,355.22 and 303,242.65

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Solution

The fourth proportional to 752,809.45, 1,128,355.22 and 303,242.65 is: 454,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,809.45 : 1,128,355.22 = 303,242.65 : x
  2. Step 2: Convert to fraction form
    752,809.45/1,128,355.22 = 303,242.65/x
  3. Step 3: Cross multiply
    752,809.45x = 1,128,355.22 × 303,242.65
  4. Step 4: Simplify right side
    752,809.45x = 342,165,425,537.92
  5. Step 5: Solve for x
    x = 342,165,425,537.92/752,809.45
  6. Step 6: Final answer
    x = 454,517.97

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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.