Home / 469,789.21-704,454.17-327,702.55

Finding the Fourth Proportional to 469,789.21, 704,454.17 and 327,702.55

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Solution

The fourth proportional to 469,789.21, 704,454.17 and 327,702.55 is: 491,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,789.21 : 704,454.17 = 327,702.55 : x
  2. Step 2: Convert to fraction form
    469,789.21/704,454.17 = 327,702.55/x
  3. Step 3: Cross multiply
    469,789.21x = 704,454.17 × 327,702.55
  4. Step 4: Simplify right side
    469,789.21x = 230,851,428,246.11
  5. Step 5: Solve for x
    x = 230,851,428,246.11/469,789.21
  6. Step 6: Final answer
    x = 491,393.64

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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.