Home / 668,863.56-1,003,399.68-219,482.13

Finding the Fourth Proportional to 668,863.56, 1,003,399.68 and 219,482.13

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Solution

The fourth proportional to 668,863.56, 1,003,399.68 and 219,482.13 is: 329,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,863.56 : 1,003,399.68 = 219,482.13 : x
  2. Step 2: Convert to fraction form
    668,863.56/1,003,399.68 = 219,482.13/x
  3. Step 3: Cross multiply
    668,863.56x = 1,003,399.68 × 219,482.13
  4. Step 4: Simplify right side
    668,863.56x = 220,228,299,007.72
  5. Step 5: Solve for x
    x = 220,228,299,007.72/668,863.56
  6. Step 6: Final answer
    x = 329,257.43

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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.