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Finding the Fourth Proportional to 652,248.20, 978,080.70 and 252,756.20

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Solution

The fourth proportional to 652,248.20, 978,080.70 and 252,756.20 is: 379,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,248.20 : 978,080.70 = 252,756.20 : x
  2. Step 2: Convert to fraction form
    652,248.20/978,080.70 = 252,756.20/x
  3. Step 3: Cross multiply
    652,248.20x = 978,080.70 × 252,756.20
  4. Step 4: Simplify right side
    652,248.20x = 247,215,961,025.34
  5. Step 5: Solve for x
    x = 247,215,961,025.34/652,248.20
  6. Step 6: Final answer
    x = 379,021.30

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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.