Home / 664,290.46-996,593.86-215,011.40

Finding the Fourth Proportional to 664,290.46, 996,593.86 and 215,011.40

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Solution

The fourth proportional to 664,290.46, 996,593.86 and 215,011.40 is: 322,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,290.46 : 996,593.86 = 215,011.40 : x
  2. Step 2: Convert to fraction form
    664,290.46/996,593.86 = 215,011.40/x
  3. Step 3: Cross multiply
    664,290.46x = 996,593.86 × 215,011.40
  4. Step 4: Simplify right side
    664,290.46x = 214,279,041,070.00
  5. Step 5: Solve for x
    x = 214,279,041,070.00/664,290.46
  6. Step 6: Final answer
    x = 322,568.30

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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.