Home / 859,872.97-1,186,616.14-477,891.55

Finding the Fourth Proportional to 859,872.97, 1,186,616.14 and 477,891.55

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Solution

The fourth proportional to 859,872.97, 1,186,616.14 and 477,891.55 is: 659,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,872.97 : 1,186,616.14 = 477,891.55 : x
  2. Step 2: Convert to fraction form
    859,872.97/1,186,616.14 = 477,891.55/x
  3. Step 3: Cross multiply
    859,872.97x = 1,186,616.14 × 477,891.55
  4. Step 4: Simplify right side
    859,872.97x = 567,073,826,399.62
  5. Step 5: Solve for x
    x = 567,073,826,399.62/859,872.97
  6. Step 6: Final answer
    x = 659,485.58

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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.