Home / 678,791.40-1,017,768.42-229,469.64

Finding the Fourth Proportional to 678,791.40, 1,017,768.42 and 229,469.64

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Solution

The fourth proportional to 678,791.40, 1,017,768.42 and 229,469.64 is: 344,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,791.40 : 1,017,768.42 = 229,469.64 : x
  2. Step 2: Convert to fraction form
    678,791.40/1,017,768.42 = 229,469.64/x
  3. Step 3: Cross multiply
    678,791.40x = 1,017,768.42 × 229,469.64
  4. Step 4: Simplify right side
    678,791.40x = 233,546,952,940.77
  5. Step 5: Solve for x
    x = 233,546,952,940.77/678,791.40
  6. Step 6: Final answer
    x = 344,062.92

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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.