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Finding the Fourth Proportional to 658,208, 908,333.52 and 356,408.48

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Solution

The fourth proportional to 658,208, 908,333.52 and 356,408.48 is: 491,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,208 : 908,333.52 = 356,408.48 : x
  2. Step 2: Convert to fraction form
    658,208/908,333.52 = 356,408.48/x
  3. Step 3: Cross multiply
    658,208x = 908,333.52 × 356,408.48
  4. Step 4: Simplify right side
    658,208x = 323,737,769,196.25
  5. Step 5: Solve for x
    x = 323,737,769,196.25/658,208
  6. Step 6: Final answer
    x = 491,847.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.