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Finding the Fourth Proportional to 652,060.80, 978,091.20 and 231,379.20

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Solution

The fourth proportional to 652,060.80, 978,091.20 and 231,379.20 is: 347,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,060.80 : 978,091.20 = 231,379.20 : x
  2. Step 2: Convert to fraction form
    652,060.80/978,091.20 = 231,379.20/x
  3. Step 3: Cross multiply
    652,060.80x = 978,091.20 × 231,379.20
  4. Step 4: Simplify right side
    652,060.80x = 226,309,959,383.04
  5. Step 5: Solve for x
    x = 226,309,959,383.04/652,060.80
  6. Step 6: Final answer
    x = 347,068.80

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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.