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Finding the Fourth Proportional to 404,801, 558,634.26 and 223,512.44

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Solution

The fourth proportional to 404,801, 558,634.26 and 223,512.44 is: 308,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,801 : 558,634.26 = 223,512.44 : x
  2. Step 2: Convert to fraction form
    404,801/558,634.26 = 223,512.44/x
  3. Step 3: Cross multiply
    404,801x = 558,634.26 × 223,512.44
  4. Step 4: Simplify right side
    404,801x = 124,861,706,520.19
  5. Step 5: Solve for x
    x = 124,861,706,520.19/404,801
  6. Step 6: Final answer
    x = 308,452.07

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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.