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Finding the Fourth Proportional to 652,066.80, 978,391.80 and 231,644.40

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Solution

The fourth proportional to 652,066.80, 978,391.80 and 231,644.40 is: 347,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,066.80 : 978,391.80 = 231,644.40 : x
  2. Step 2: Convert to fraction form
    652,066.80/978,391.80 = 231,644.40/x
  3. Step 3: Cross multiply
    652,066.80x = 978,391.80 × 231,644.40
  4. Step 4: Simplify right side
    652,066.80x = 226,638,981,475.92
  5. Step 5: Solve for x
    x = 226,638,981,475.92/652,066.80
  6. Step 6: Final answer
    x = 347,570.19

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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.