Home / 814,958.91-1,222,161.55-282,355.63

Finding the Fourth Proportional to 814,958.91, 1,222,161.55 and 282,355.63

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Solution

The fourth proportional to 814,958.91, 1,222,161.55 and 282,355.63 is: 423,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,958.91 : 1,222,161.55 = 282,355.63 : x
  2. Step 2: Convert to fraction form
    814,958.91/1,222,161.55 = 282,355.63/x
  3. Step 3: Cross multiply
    814,958.91x = 1,222,161.55 × 282,355.63
  4. Step 4: Simplify right side
    814,958.91x = 345,084,190,650.73
  5. Step 5: Solve for x
    x = 345,084,190,650.73/814,958.91
  6. Step 6: Final answer
    x = 423,437.53

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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.