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Finding the Fourth Proportional to 474,344, 654,630.24 and 270,399.78

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Solution

The fourth proportional to 474,344, 654,630.24 and 270,399.78 is: 373,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,344 : 654,630.24 = 270,399.78 : x
  2. Step 2: Convert to fraction form
    474,344/654,630.24 = 270,399.78/x
  3. Step 3: Cross multiply
    474,344x = 654,630.24 × 270,399.78
  4. Step 4: Simplify right side
    474,344x = 177,011,872,877.35
  5. Step 5: Solve for x
    x = 177,011,872,877.35/474,344
  6. Step 6: Final answer
    x = 373,171.94

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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.