Home / 627,639.60-941,572.20-228,839.84

Finding the Fourth Proportional to 627,639.60, 941,572.20 and 228,839.84

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Solution

The fourth proportional to 627,639.60, 941,572.20 and 228,839.84 is: 343,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,639.60 : 941,572.20 = 228,839.84 : x
  2. Step 2: Convert to fraction form
    627,639.60/941,572.20 = 228,839.84/x
  3. Step 3: Cross multiply
    627,639.60x = 941,572.20 × 228,839.84
  4. Step 4: Simplify right side
    627,639.60x = 215,469,231,596.45
  5. Step 5: Solve for x
    x = 215,469,231,596.45/627,639.60
  6. Step 6: Final answer
    x = 343,300.89

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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.