Home / 664,418.30-996,772.77-215,184.58

Finding the Fourth Proportional to 664,418.30, 996,772.77 and 215,184.58

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Solution

The fourth proportional to 664,418.30, 996,772.77 and 215,184.58 is: 322,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,418.30 : 996,772.77 = 215,184.58 : x
  2. Step 2: Convert to fraction form
    664,418.30/996,772.77 = 215,184.58/x
  3. Step 3: Cross multiply
    664,418.30x = 996,772.77 × 215,184.58
  4. Step 4: Simplify right side
    664,418.30x = 214,490,127,375.96
  5. Step 5: Solve for x
    x = 214,490,127,375.96/664,418.30
  6. Step 6: Final answer
    x = 322,823.93

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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.