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Finding the Fourth Proportional to 457,952.60, 686,608.90 and 270,867.80

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Solution

The fourth proportional to 457,952.60, 686,608.90 and 270,867.80 is: 406,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,952.60 : 686,608.90 = 270,867.80 : x
  2. Step 2: Convert to fraction form
    457,952.60/686,608.90 = 270,867.80/x
  3. Step 3: Cross multiply
    457,952.60x = 686,608.90 × 270,867.80
  4. Step 4: Simplify right side
    457,952.60x = 185,980,242,203.42
  5. Step 5: Solve for x
    x = 185,980,242,203.42/457,952.60
  6. Step 6: Final answer
    x = 406,112.43

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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.