Home / 814,959.73-1,222,162.75-282,356.43

Finding the Fourth Proportional to 814,959.73, 1,222,162.75 and 282,356.43

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Solution

The fourth proportional to 814,959.73, 1,222,162.75 and 282,356.43 is: 423,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,959.73 : 1,222,162.75 = 282,356.43 : x
  2. Step 2: Convert to fraction form
    814,959.73/1,222,162.75 = 282,356.43/x
  3. Step 3: Cross multiply
    814,959.73x = 1,222,162.75 × 282,356.43
  4. Step 4: Simplify right side
    814,959.73x = 345,085,510,968.98
  5. Step 5: Solve for x
    x = 345,085,510,968.98/814,959.73
  6. Step 6: Final answer
    x = 423,438.73

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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.