Home / 752,930.53-1,039,062.17-408,780.94

Finding the Fourth Proportional to 752,930.53, 1,039,062.17 and 408,780.94

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Solution

The fourth proportional to 752,930.53, 1,039,062.17 and 408,780.94 is: 564,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,930.53 : 1,039,062.17 = 408,780.94 : x
  2. Step 2: Convert to fraction form
    752,930.53/1,039,062.17 = 408,780.94/x
  3. Step 3: Cross multiply
    752,930.53x = 1,039,062.17 × 408,780.94
  4. Step 4: Simplify right side
    752,930.53x = 424,748,810,571.04
  5. Step 5: Solve for x
    x = 424,748,810,571.04/752,930.53
  6. Step 6: Final answer
    x = 564,127.49

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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.