Home / 678,257.37-1,017,375.71-229,293.62

Finding the Fourth Proportional to 678,257.37, 1,017,375.71 and 229,293.62

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Solution

The fourth proportional to 678,257.37, 1,017,375.71 and 229,293.62 is: 343,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,257.37 : 1,017,375.71 = 229,293.62 : x
  2. Step 2: Convert to fraction form
    678,257.37/1,017,375.71 = 229,293.62/x
  3. Step 3: Cross multiply
    678,257.37x = 1,017,375.71 × 229,293.62
  4. Step 4: Simplify right side
    678,257.37x = 233,277,753,212.62
  5. Step 5: Solve for x
    x = 233,277,753,212.62/678,257.37
  6. Step 6: Final answer
    x = 343,936.92

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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.