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Finding the Fourth Proportional to 466,961.54, 699,436.28 and 316,375.66

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Solution

The fourth proportional to 466,961.54, 699,436.28 and 316,375.66 is: 473,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,961.54 : 699,436.28 = 316,375.66 : x
  2. Step 2: Convert to fraction form
    466,961.54/699,436.28 = 316,375.66/x
  3. Step 3: Cross multiply
    466,961.54x = 699,436.28 × 316,375.66
  4. Step 4: Simplify right side
    466,961.54x = 221,284,614,712.95
  5. Step 5: Solve for x
    x = 221,284,614,712.95/466,961.54
  6. Step 6: Final answer
    x = 473,881.88

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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.