Home / 479,864.20-718,286.88-329,223.64

Finding the Fourth Proportional to 479,864.20, 718,286.88 and 329,223.64

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Solution

The fourth proportional to 479,864.20, 718,286.88 and 329,223.64 is: 492,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,864.20 : 718,286.88 = 329,223.64 : x
  2. Step 2: Convert to fraction form
    479,864.20/718,286.88 = 329,223.64/x
  3. Step 3: Cross multiply
    479,864.20x = 718,286.88 × 329,223.64
  4. Step 4: Simplify right side
    479,864.20x = 236,477,021,197.84
  5. Step 5: Solve for x
    x = 236,477,021,197.84/479,864.20
  6. Step 6: Final answer
    x = 492,799.88

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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.