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Finding the Fourth Proportional to 652,600.70, 978,609.45 and 253,108.70

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Solution

The fourth proportional to 652,600.70, 978,609.45 and 253,108.70 is: 379,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,600.70 : 978,609.45 = 253,108.70 : x
  2. Step 2: Convert to fraction form
    652,600.70/978,609.45 = 253,108.70/x
  3. Step 3: Cross multiply
    652,600.70x = 978,609.45 × 253,108.70
  4. Step 4: Simplify right side
    652,600.70x = 247,694,565,697.22
  5. Step 5: Solve for x
    x = 247,694,565,697.22/652,600.70
  6. Step 6: Final answer
    x = 379,549.95

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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.