Home / 476,839.28-658,042.66-261,983.80

Finding the Fourth Proportional to 476,839.28, 658,042.66 and 261,983.80

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Solution

The fourth proportional to 476,839.28, 658,042.66 and 261,983.80 is: 361,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,839.28 : 658,042.66 = 261,983.80 : x
  2. Step 2: Convert to fraction form
    476,839.28/658,042.66 = 261,983.80/x
  3. Step 3: Cross multiply
    476,839.28x = 658,042.66 × 261,983.80
  4. Step 4: Simplify right side
    476,839.28x = 172,396,516,628.91
  5. Step 5: Solve for x
    x = 172,396,516,628.91/476,839.28
  6. Step 6: Final answer
    x = 361,540.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.