Home / 668,235.80-1,002,353.70-331,340.60

Finding the Fourth Proportional to 668,235.80, 1,002,353.70 and 331,340.60

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Solution

The fourth proportional to 668,235.80, 1,002,353.70 and 331,340.60 is: 497,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,235.80 : 1,002,353.70 = 331,340.60 : x
  2. Step 2: Convert to fraction form
    668,235.80/1,002,353.70 = 331,340.60/x
  3. Step 3: Cross multiply
    668,235.80x = 1,002,353.70 × 331,340.60
  4. Step 4: Simplify right side
    668,235.80x = 332,120,476,370.22
  5. Step 5: Solve for x
    x = 332,120,476,370.22/668,235.80
  6. Step 6: Final answer
    x = 497,010.90

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Similar ratio
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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.