Home / 726,010.08-1,088,350.92-305,315.52

Finding the Fourth Proportional to 726,010.08, 1,088,350.92 and 305,315.52

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Solution

The fourth proportional to 726,010.08, 1,088,350.92 and 305,315.52 is: 457,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,010.08 : 1,088,350.92 = 305,315.52 : x
  2. Step 2: Convert to fraction form
    726,010.08/1,088,350.92 = 305,315.52/x
  3. Step 3: Cross multiply
    726,010.08x = 1,088,350.92 × 305,315.52
  4. Step 4: Simplify right side
    726,010.08x = 332,290,427,082.28
  5. Step 5: Solve for x
    x = 332,290,427,082.28/726,010.08
  6. Step 6: Final answer
    x = 457,693.96

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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.