Home / 752,265.82-1,128,399.95-266,309.56

Finding the Fourth Proportional to 752,265.82, 1,128,399.95 and 266,309.56

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Solution

The fourth proportional to 752,265.82, 1,128,399.95 and 266,309.56 is: 399,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,265.82 : 1,128,399.95 = 266,309.56 : x
  2. Step 2: Convert to fraction form
    752,265.82/1,128,399.95 = 266,309.56/x
  3. Step 3: Cross multiply
    752,265.82x = 1,128,399.95 × 266,309.56
  4. Step 4: Simplify right side
    752,265.82x = 300,503,694,188.52
  5. Step 5: Solve for x
    x = 300,503,694,188.52/752,265.82
  6. Step 6: Final answer
    x = 399,464.77

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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.