Home / 664,288.57-996,591.04-215,009.52

Finding the Fourth Proportional to 664,288.57, 996,591.04 and 215,009.52

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Solution

The fourth proportional to 664,288.57, 996,591.04 and 215,009.52 is: 322,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,288.57 : 996,591.04 = 215,009.52 : x
  2. Step 2: Convert to fraction form
    664,288.57/996,591.04 = 215,009.52/x
  3. Step 3: Cross multiply
    664,288.57x = 996,591.04 × 215,009.52
  4. Step 4: Simplify right side
    664,288.57x = 214,276,555,626.22
  5. Step 5: Solve for x
    x = 214,276,555,626.22/664,288.57
  6. Step 6: Final answer
    x = 322,565.47

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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.