Home / 752,891.15-1,039,161.25-430,778.86

Finding the Fourth Proportional to 752,891.15, 1,039,161.25 and 430,778.86

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Solution

The fourth proportional to 752,891.15, 1,039,161.25 and 430,778.86 is: 594,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,891.15 : 1,039,161.25 = 430,778.86 : x
  2. Step 2: Convert to fraction form
    752,891.15/1,039,161.25 = 430,778.86/x
  3. Step 3: Cross multiply
    752,891.15x = 1,039,161.25 × 430,778.86
  4. Step 4: Simplify right side
    752,891.15x = 447,648,696,571.75
  5. Step 5: Solve for x
    x = 447,648,696,571.75/752,891.15
  6. Step 6: Final answer
    x = 594,572.93

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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.