Home / 814,969.98-1,222,178.10-282,366.69

Finding the Fourth Proportional to 814,969.98, 1,222,178.10 and 282,366.69

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Solution

The fourth proportional to 814,969.98, 1,222,178.10 and 282,366.69 is: 423,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,969.98 : 1,222,178.10 = 282,366.69 : x
  2. Step 2: Convert to fraction form
    814,969.98/1,222,178.10 = 282,366.69/x
  3. Step 3: Cross multiply
    814,969.98x = 1,222,178.10 × 282,366.69
  4. Step 4: Simplify right side
    814,969.98x = 345,102,384,687.49
  5. Step 5: Solve for x
    x = 345,102,384,687.49/814,969.98
  6. Step 6: Final answer
    x = 423,454.11

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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.