Home / 668,823.10-1,003,234.65-219,613.30

Finding the Fourth Proportional to 668,823.10, 1,003,234.65 and 219,613.30

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Solution

The fourth proportional to 668,823.10, 1,003,234.65 and 219,613.30 is: 329,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,823.10 : 1,003,234.65 = 219,613.30 : x
  2. Step 2: Convert to fraction form
    668,823.10/1,003,234.65 = 219,613.30/x
  3. Step 3: Cross multiply
    668,823.10x = 1,003,234.65 × 219,613.30
  4. Step 4: Simplify right side
    668,823.10x = 220,323,672,160.85
  5. Step 5: Solve for x
    x = 220,323,672,160.85/668,823.10
  6. Step 6: Final answer
    x = 329,419.95

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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.