Home / 681,691.08-1,022,539.26-208,374.60

Finding the Fourth Proportional to 681,691.08, 1,022,539.26 and 208,374.60

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Solution

The fourth proportional to 681,691.08, 1,022,539.26 and 208,374.60 is: 312,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,691.08 : 1,022,539.26 = 208,374.60 : x
  2. Step 2: Convert to fraction form
    681,691.08/1,022,539.26 = 208,374.60/x
  3. Step 3: Cross multiply
    681,691.08x = 1,022,539.26 × 208,374.60
  4. Step 4: Simplify right side
    681,691.08x = 213,071,209,286.80
  5. Step 5: Solve for x
    x = 213,071,209,286.80/681,691.08
  6. Step 6: Final answer
    x = 312,562.71

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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.