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Finding the Fourth Proportional to 450,791.44, 622,064.67 and 246,844.78

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Solution

The fourth proportional to 450,791.44, 622,064.67 and 246,844.78 is: 340,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,791.44 : 622,064.67 = 246,844.78 : x
  2. Step 2: Convert to fraction form
    450,791.44/622,064.67 = 246,844.78/x
  3. Step 3: Cross multiply
    450,791.44x = 622,064.67 × 246,844.78
  4. Step 4: Simplify right side
    450,791.44x = 153,553,416,611.92
  5. Step 5: Solve for x
    x = 153,553,416,611.92/450,791.44
  6. Step 6: Final answer
    x = 340,630.73

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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.