Home / 814,958.73-1,222,161.26-282,355.43

Finding the Fourth Proportional to 814,958.73, 1,222,161.26 and 282,355.43

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Solution

The fourth proportional to 814,958.73, 1,222,161.26 and 282,355.43 is: 423,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,958.73 : 1,222,161.26 = 282,355.43 : x
  2. Step 2: Convert to fraction form
    814,958.73/1,222,161.26 = 282,355.43/x
  3. Step 3: Cross multiply
    814,958.73x = 1,222,161.26 × 282,355.43
  4. Step 4: Simplify right side
    814,958.73x = 345,083,860,574.06
  5. Step 5: Solve for x
    x = 345,083,860,574.06/814,958.73
  6. Step 6: Final answer
    x = 423,437.22

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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.