Home / 752,633.91-1,128,632.40-303,234.03

Finding the Fourth Proportional to 752,633.91, 1,128,632.40 and 303,234.03

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Solution

The fourth proportional to 752,633.91, 1,128,632.40 and 303,234.03 is: 454,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,633.91 : 1,128,632.40 = 303,234.03 : x
  2. Step 2: Convert to fraction form
    752,633.91/1,128,632.40 = 303,234.03/x
  3. Step 3: Cross multiply
    752,633.91x = 1,128,632.40 × 303,234.03
  4. Step 4: Simplify right side
    752,633.91x = 342,239,751,040.57
  5. Step 5: Solve for x
    x = 342,239,751,040.57/752,633.91
  6. Step 6: Final answer
    x = 454,722.74

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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.