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Finding the Fourth Proportional to 652,536.20, 978,026.70 and 273,456.20

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Solution

The fourth proportional to 652,536.20, 978,026.70 and 273,456.20 is: 409,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,536.20 : 978,026.70 = 273,456.20 : x
  2. Step 2: Convert to fraction form
    652,536.20/978,026.70 = 273,456.20/x
  3. Step 3: Cross multiply
    652,536.20x = 978,026.70 × 273,456.20
  4. Step 4: Simplify right side
    652,536.20x = 267,447,464,880.54
  5. Step 5: Solve for x
    x = 267,447,464,880.54/652,536.20
  6. Step 6: Final answer
    x = 409,858.43

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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.