Home / 752,899.56-1,038,994.05-408,727.92

Finding the Fourth Proportional to 752,899.56, 1,038,994.05 and 408,727.92

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Solution

The fourth proportional to 752,899.56, 1,038,994.05 and 408,727.92 is: 564,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,899.56 : 1,038,994.05 = 408,727.92 : x
  2. Step 2: Convert to fraction form
    752,899.56/1,038,994.05 = 408,727.92/x
  3. Step 3: Cross multiply
    752,899.56x = 1,038,994.05 × 408,727.92
  4. Step 4: Simplify right side
    752,899.56x = 424,665,882,377.83
  5. Step 5: Solve for x
    x = 424,665,882,377.83/752,899.56
  6. Step 6: Final answer
    x = 564,040.55

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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.