Home / 681,932.76-1,022,862.16-208,618.16

Finding the Fourth Proportional to 681,932.76, 1,022,862.16 and 208,618.16

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Solution

The fourth proportional to 681,932.76, 1,022,862.16 and 208,618.16 is: 312,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,932.76 : 1,022,862.16 = 208,618.16 : x
  2. Step 2: Convert to fraction form
    681,932.76/1,022,862.16 = 208,618.16/x
  3. Step 3: Cross multiply
    681,932.76x = 1,022,862.16 × 208,618.16
  4. Step 4: Simplify right side
    681,932.76x = 213,387,625,092.30
  5. Step 5: Solve for x
    x = 213,387,625,092.30/681,932.76
  6. Step 6: Final answer
    x = 312,915.93

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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.