Home / 681,933.01-1,022,862.54-208,618.41

Finding the Fourth Proportional to 681,933.01, 1,022,862.54 and 208,618.41

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Solution

The fourth proportional to 681,933.01, 1,022,862.54 and 208,618.41 is: 312,916.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,933.01 : 1,022,862.54 = 208,618.41 : x
  2. Step 2: Convert to fraction form
    681,933.01/1,022,862.54 = 208,618.41/x
  3. Step 3: Cross multiply
    681,933.01x = 1,022,862.54 × 208,618.41
  4. Step 4: Simplify right side
    681,933.01x = 213,387,958,778.97
  5. Step 5: Solve for x
    x = 213,387,958,778.97/681,933.01
  6. Step 6: Final answer
    x = 312,916.31

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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.