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Finding the Fourth Proportional to 609,196.62, 914,633.48 and 309,879.75

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Solution

The fourth proportional to 609,196.62, 914,633.48 and 309,879.75 is: 465,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,196.62 : 914,633.48 = 309,879.75 : x
  2. Step 2: Convert to fraction form
    609,196.62/914,633.48 = 309,879.75/x
  3. Step 3: Cross multiply
    609,196.62x = 914,633.48 × 309,879.75
  4. Step 4: Simplify right side
    609,196.62x = 283,426,394,124.03
  5. Step 5: Solve for x
    x = 283,426,394,124.03/609,196.62
  6. Step 6: Final answer
    x = 465,246.17

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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.