Home / 752,382.54-1,128,457.17-219,760.56

Finding the Fourth Proportional to 752,382.54, 1,128,457.17 and 219,760.56

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Solution

The fourth proportional to 752,382.54, 1,128,457.17 and 219,760.56 is: 329,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,382.54 : 1,128,457.17 = 219,760.56 : x
  2. Step 2: Convert to fraction form
    752,382.54/1,128,457.17 = 219,760.56/x
  3. Step 3: Cross multiply
    752,382.54x = 1,128,457.17 × 219,760.56
  4. Step 4: Simplify right side
    752,382.54x = 247,990,379,615.22
  5. Step 5: Solve for x
    x = 247,990,379,615.22/752,382.54
  6. Step 6: Final answer
    x = 329,606.77

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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.