Home / 805,765.32-1,208,785.68-332,191.80

Finding the Fourth Proportional to 805,765.32, 1,208,785.68 and 332,191.80

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Solution

The fourth proportional to 805,765.32, 1,208,785.68 and 332,191.80 is: 498,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,765.32 : 1,208,785.68 = 332,191.80 : x
  2. Step 2: Convert to fraction form
    805,765.32/1,208,785.68 = 332,191.80/x
  3. Step 3: Cross multiply
    805,765.32x = 1,208,785.68 × 332,191.80
  4. Step 4: Simplify right side
    805,765.32x = 401,548,690,853.42
  5. Step 5: Solve for x
    x = 401,548,690,853.42/805,765.32
  6. Step 6: Final answer
    x = 498,344.47

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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.