Home / 668,932.43-1,003,022.19-219,615.44

Finding the Fourth Proportional to 668,932.43, 1,003,022.19 and 219,615.44

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Solution

The fourth proportional to 668,932.43, 1,003,022.19 and 219,615.44 is: 329,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,932.43 : 1,003,022.19 = 219,615.44 : x
  2. Step 2: Convert to fraction form
    668,932.43/1,003,022.19 = 219,615.44/x
  3. Step 3: Cross multiply
    668,932.43x = 1,003,022.19 × 219,615.44
  4. Step 4: Simplify right side
    668,932.43x = 220,279,154,571.50
  5. Step 5: Solve for x
    x = 220,279,154,571.50/668,932.43
  6. Step 6: Final answer
    x = 329,299.56

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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.