Home / 668,785.99-1,002,968.25-219,402.14

Finding the Fourth Proportional to 668,785.99, 1,002,968.25 and 219,402.14

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Solution

The fourth proportional to 668,785.99, 1,002,968.25 and 219,402.14 is: 329,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,785.99 : 1,002,968.25 = 219,402.14 : x
  2. Step 2: Convert to fraction form
    668,785.99/1,002,968.25 = 219,402.14/x
  3. Step 3: Cross multiply
    668,785.99x = 1,002,968.25 × 219,402.14
  4. Step 4: Simplify right side
    668,785.99x = 220,053,383,644.07
  5. Step 5: Solve for x
    x = 220,053,383,644.07/668,785.99
  6. Step 6: Final answer
    x = 329,034.08

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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.