Home / 668,789.94-1,002,974.14-219,406.10

Finding the Fourth Proportional to 668,789.94, 1,002,974.14 and 219,406.10

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Solution

The fourth proportional to 668,789.94, 1,002,974.14 and 219,406.10 is: 329,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,789.94 : 1,002,974.14 = 219,406.10 : x
  2. Step 2: Convert to fraction form
    668,789.94/1,002,974.14 = 219,406.10/x
  3. Step 3: Cross multiply
    668,789.94x = 1,002,974.14 × 219,406.10
  4. Step 4: Simplify right side
    668,789.94x = 220,058,639,717.64
  5. Step 5: Solve for x
    x = 220,058,639,717.64/668,789.94
  6. Step 6: Final answer
    x = 329,039.99

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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.