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Finding the Fourth Proportional to 615,906.28, 850,537.62 and 582,361.36

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Solution

The fourth proportional to 615,906.28, 850,537.62 and 582,361.36 is: 804,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,906.28 : 850,537.62 = 582,361.36 : x
  2. Step 2: Convert to fraction form
    615,906.28/850,537.62 = 582,361.36/x
  3. Step 3: Cross multiply
    615,906.28x = 850,537.62 × 582,361.36
  4. Step 4: Simplify right side
    615,906.28x = 495,320,245,114.36
  5. Step 5: Solve for x
    x = 495,320,245,114.36/615,906.28
  6. Step 6: Final answer
    x = 804,213.66

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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.