Home / 752,938.12-1,129,628.31-303,427.61

Finding the Fourth Proportional to 752,938.12, 1,129,628.31 and 303,427.61

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Solution

The fourth proportional to 752,938.12, 1,129,628.31 and 303,427.61 is: 455,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,938.12 : 1,129,628.31 = 303,427.61 : x
  2. Step 2: Convert to fraction form
    752,938.12/1,129,628.31 = 303,427.61/x
  3. Step 3: Cross multiply
    752,938.12x = 1,129,628.31 × 303,427.61
  4. Step 4: Simplify right side
    752,938.12x = 342,760,418,291.64
  5. Step 5: Solve for x
    x = 342,760,418,291.64/752,938.12
  6. Step 6: Final answer
    x = 455,230.53

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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.