Home / 663,520.52-995,475.17-214,232.96

Finding the Fourth Proportional to 663,520.52, 995,475.17 and 214,232.96

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Solution

The fourth proportional to 663,520.52, 995,475.17 and 214,232.96 is: 321,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,520.52 : 995,475.17 = 214,232.96 : x
  2. Step 2: Convert to fraction form
    663,520.52/995,475.17 = 214,232.96/x
  3. Step 3: Cross multiply
    663,520.52x = 995,475.17 × 214,232.96
  4. Step 4: Simplify right side
    663,520.52x = 213,263,587,833.81
  5. Step 5: Solve for x
    x = 213,263,587,833.81/663,520.52
  6. Step 6: Final answer
    x = 321,412.20

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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.