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Finding the Fourth Proportional to 652,276.90, 978,512.64 and 231,517.54

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Solution

The fourth proportional to 652,276.90, 978,512.64 and 231,517.54 is: 347,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,276.90 : 978,512.64 = 231,517.54 : x
  2. Step 2: Convert to fraction form
    652,276.90/978,512.64 = 231,517.54/x
  3. Step 3: Cross multiply
    652,276.90x = 978,512.64 × 231,517.54
  4. Step 4: Simplify right side
    652,276.90x = 226,542,839,271.71
  5. Step 5: Solve for x
    x = 226,542,839,271.71/652,276.90
  6. Step 6: Final answer
    x = 347,310.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.