Home / 839,691.58-1,258,791.57-327,238.02

Finding the Fourth Proportional to 839,691.58, 1,258,791.57 and 327,238.02

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Solution

The fourth proportional to 839,691.58, 1,258,791.57 and 327,238.02 is: 490,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,691.58 : 1,258,791.57 = 327,238.02 : x
  2. Step 2: Convert to fraction form
    839,691.58/1,258,791.57 = 327,238.02/x
  3. Step 3: Cross multiply
    839,691.58x = 1,258,791.57 × 327,238.02
  4. Step 4: Simplify right side
    839,691.58x = 411,924,459,425.56
  5. Step 5: Solve for x
    x = 411,924,459,425.56/839,691.58
  6. Step 6: Final answer
    x = 490,566.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.