Home / 752,976.65-1,039,102.04-408,805.76

Finding the Fourth Proportional to 752,976.65, 1,039,102.04 and 408,805.76

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Solution

The fourth proportional to 752,976.65, 1,039,102.04 and 408,805.76 is: 564,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,976.65 : 1,039,102.04 = 408,805.76 : x
  2. Step 2: Convert to fraction form
    752,976.65/1,039,102.04 = 408,805.76/x
  3. Step 3: Cross multiply
    752,976.65x = 1,039,102.04 × 408,805.76
  4. Step 4: Simplify right side
    752,976.65x = 424,790,902,799.52
  5. Step 5: Solve for x
    x = 424,790,902,799.52/752,976.65
  6. Step 6: Final answer
    x = 564,148.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.