Home / 859,679.62-1,186,466.97-520,150.66

Finding the Fourth Proportional to 859,679.62, 1,186,466.97 and 520,150.66

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Solution

The fourth proportional to 859,679.62, 1,186,466.97 and 520,150.66 is: 717,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,679.62 : 1,186,466.97 = 520,150.66 : x
  2. Step 2: Convert to fraction form
    859,679.62/1,186,466.97 = 520,150.66/x
  3. Step 3: Cross multiply
    859,679.62x = 1,186,466.97 × 520,150.66
  4. Step 4: Simplify right side
    859,679.62x = 617,141,577,513.70
  5. Step 5: Solve for x
    x = 617,141,577,513.70/859,679.62
  6. Step 6: Final answer
    x = 717,873.92

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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.