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Finding the Fourth Proportional to 652,538.20, 978,029.70 and 273,458.20

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Solution

The fourth proportional to 652,538.20, 978,029.70 and 273,458.20 is: 409,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,538.20 : 978,029.70 = 273,458.20 : x
  2. Step 2: Convert to fraction form
    652,538.20/978,029.70 = 273,458.20/x
  3. Step 3: Cross multiply
    652,538.20x = 978,029.70 × 273,458.20
  4. Step 4: Simplify right side
    652,538.20x = 267,450,241,308.54
  5. Step 5: Solve for x
    x = 267,450,241,308.54/652,538.20
  6. Step 6: Final answer
    x = 409,861.43

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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.