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Finding the Fourth Proportional to 457,791.84, 631,754.10 and 253,857.13

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Solution

The fourth proportional to 457,791.84, 631,754.10 and 253,857.13 is: 350,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,791.84 : 631,754.10 = 253,857.13 : x
  2. Step 2: Convert to fraction form
    457,791.84/631,754.10 = 253,857.13/x
  3. Step 3: Cross multiply
    457,791.84x = 631,754.10 × 253,857.13
  4. Step 4: Simplify right side
    457,791.84x = 160,375,281,112.35
  5. Step 5: Solve for x
    x = 160,375,281,112.35/457,791.84
  6. Step 6: Final answer
    x = 350,323.59

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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.