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Finding the Fourth Proportional to 652,579.93, 978,922.43 and 247,965.88

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Solution

The fourth proportional to 652,579.93, 978,922.43 and 247,965.88 is: 371,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,579.93 : 978,922.43 = 247,965.88 : x
  2. Step 2: Convert to fraction form
    652,579.93/978,922.43 = 247,965.88/x
  3. Step 3: Cross multiply
    652,579.93x = 978,922.43 × 247,965.88
  4. Step 4: Simplify right side
    652,579.93x = 242,739,361,806.69
  5. Step 5: Solve for x
    x = 242,739,361,806.69/652,579.93
  6. Step 6: Final answer
    x = 371,968.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.