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Finding the Fourth Proportional to 652,219.40, 978,499.20 and 252,873.20

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Solution

The fourth proportional to 652,219.40, 978,499.20 and 252,873.20 is: 379,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,219.40 : 978,499.20 = 252,873.20 : x
  2. Step 2: Convert to fraction form
    652,219.40/978,499.20 = 252,873.20/x
  3. Step 3: Cross multiply
    652,219.40x = 978,499.20 × 252,873.20
  4. Step 4: Simplify right side
    652,219.40x = 247,436,223,901.44
  5. Step 5: Solve for x
    x = 247,436,223,901.44/652,219.40
  6. Step 6: Final answer
    x = 379,375.75

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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.