Home / 678,255.12-1,017,372.33-229,291.37

Finding the Fourth Proportional to 678,255.12, 1,017,372.33 and 229,291.37

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Solution

The fourth proportional to 678,255.12, 1,017,372.33 and 229,291.37 is: 343,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,255.12 : 1,017,372.33 = 229,291.37 : x
  2. Step 2: Convert to fraction form
    678,255.12/1,017,372.33 = 229,291.37/x
  3. Step 3: Cross multiply
    678,255.12x = 1,017,372.33 × 229,291.37
  4. Step 4: Simplify right side
    678,255.12x = 233,274,690,258.93
  5. Step 5: Solve for x
    x = 233,274,690,258.93/678,255.12
  6. Step 6: Final answer
    x = 343,933.55

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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.