Home / 668,531.33-1,002,698.57-219,299.66

Finding the Fourth Proportional to 668,531.33, 1,002,698.57 and 219,299.66

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Solution

The fourth proportional to 668,531.33, 1,002,698.57 and 219,299.66 is: 328,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,531.33 : 1,002,698.57 = 219,299.66 : x
  2. Step 2: Convert to fraction form
    668,531.33/1,002,698.57 = 219,299.66/x
  3. Step 3: Cross multiply
    668,531.33x = 1,002,698.57 × 219,299.66
  4. Step 4: Simplify right side
    668,531.33x = 219,891,449,373.50
  5. Step 5: Solve for x
    x = 219,891,449,373.50/668,531.33
  6. Step 6: Final answer
    x = 328,917.20

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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.