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Finding the Fourth Proportional to 652,166.79, 978,469.02 and 252,820.59

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Solution

The fourth proportional to 652,166.79, 978,469.02 and 252,820.59 is: 379,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,166.79 : 978,469.02 = 252,820.59 : x
  2. Step 2: Convert to fraction form
    652,166.79/978,469.02 = 252,820.59/x
  3. Step 3: Cross multiply
    652,166.79x = 978,469.02 × 252,820.59
  4. Step 4: Simplify right side
    652,166.79x = 247,377,114,933.12
  5. Step 5: Solve for x
    x = 247,377,114,933.12/652,166.79
  6. Step 6: Final answer
    x = 379,315.72

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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.