Home / 845,665.38-1,268,481.06-205,972.74

Finding the Fourth Proportional to 845,665.38, 1,268,481.06 and 205,972.74

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Solution

The fourth proportional to 845,665.38, 1,268,481.06 and 205,972.74 is: 308,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,665.38 : 1,268,481.06 = 205,972.74 : x
  2. Step 2: Convert to fraction form
    845,665.38/1,268,481.06 = 205,972.74/x
  3. Step 3: Cross multiply
    845,665.38x = 1,268,481.06 × 205,972.74
  4. Step 4: Simplify right side
    845,665.38x = 261,272,519,566.30
  5. Step 5: Solve for x
    x = 261,272,519,566.30/845,665.38
  6. Step 6: Final answer
    x = 308,954.97

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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.