Home / 839,003.97-1,157,770.92-494,760.95

Finding the Fourth Proportional to 839,003.97, 1,157,770.92 and 494,760.95

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Solution

The fourth proportional to 839,003.97, 1,157,770.92 and 494,760.95 is: 682,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,003.97 : 1,157,770.92 = 494,760.95 : x
  2. Step 2: Convert to fraction form
    839,003.97/1,157,770.92 = 494,760.95/x
  3. Step 3: Cross multiply
    839,003.97x = 1,157,770.92 × 494,760.95
  4. Step 4: Simplify right side
    839,003.97x = 572,819,836,258.57
  5. Step 5: Solve for x
    x = 572,819,836,258.57/839,003.97
  6. Step 6: Final answer
    x = 682,737.93

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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.