Home / 668,936.64-1,003,614.48-219,660.96

Finding the Fourth Proportional to 668,936.64, 1,003,614.48 and 219,660.96

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Solution

The fourth proportional to 668,936.64, 1,003,614.48 and 219,660.96 is: 329,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,936.64 : 1,003,614.48 = 219,660.96 : x
  2. Step 2: Convert to fraction form
    668,936.64/1,003,614.48 = 219,660.96/x
  3. Step 3: Cross multiply
    668,936.64x = 1,003,614.48 × 219,660.96
  4. Step 4: Simplify right side
    668,936.64x = 220,454,920,146.70
  5. Step 5: Solve for x
    x = 220,454,920,146.70/668,936.64
  6. Step 6: Final answer
    x = 329,560.24

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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.