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Finding the Fourth Proportional to 652,661.24, 978,991.92 and 231,953.72

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Solution

The fourth proportional to 652,661.24, 978,991.92 and 231,953.72 is: 347,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,661.24 : 978,991.92 = 231,953.72 : x
  2. Step 2: Convert to fraction form
    652,661.24/978,991.92 = 231,953.72/x
  3. Step 3: Cross multiply
    652,661.24x = 978,991.92 × 231,953.72
  4. Step 4: Simplify right side
    652,661.24x = 227,080,817,693.94
  5. Step 5: Solve for x
    x = 227,080,817,693.94/652,661.24
  6. Step 6: Final answer
    x = 347,930.60

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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.