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Finding the Fourth Proportional to 538,469.28, 743,092.68 and 296,760.56

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Solution

The fourth proportional to 538,469.28, 743,092.68 and 296,760.56 is: 409,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,469.28 : 743,092.68 = 296,760.56 : x
  2. Step 2: Convert to fraction form
    538,469.28/743,092.68 = 296,760.56/x
  3. Step 3: Cross multiply
    538,469.28x = 743,092.68 × 296,760.56
  4. Step 4: Simplify right side
    538,469.28x = 220,520,596,133.24
  5. Step 5: Solve for x
    x = 220,520,596,133.24/538,469.28
  6. Step 6: Final answer
    x = 409,532.36

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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.