Home / 664,370.08-996,712.86-215,091.02

Finding the Fourth Proportional to 664,370.08, 996,712.86 and 215,091.02

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Solution

The fourth proportional to 664,370.08, 996,712.86 and 215,091.02 is: 322,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,370.08 : 996,712.86 = 215,091.02 : x
  2. Step 2: Convert to fraction form
    664,370.08/996,712.86 = 215,091.02/x
  3. Step 3: Cross multiply
    664,370.08x = 996,712.86 × 215,091.02
  4. Step 4: Simplify right side
    664,370.08x = 214,383,985,704.52
  5. Step 5: Solve for x
    x = 214,383,985,704.52/664,370.08
  6. Step 6: Final answer
    x = 322,687.60

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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.