Home / 627,680.49-941,503.32-228,328.62

Finding the Fourth Proportional to 627,680.49, 941,503.32 and 228,328.62

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Solution

The fourth proportional to 627,680.49, 941,503.32 and 228,328.62 is: 342,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,680.49 : 941,503.32 = 228,328.62 : x
  2. Step 2: Convert to fraction form
    627,680.49/941,503.32 = 228,328.62/x
  3. Step 3: Cross multiply
    627,680.49x = 941,503.32 × 228,328.62
  4. Step 4: Simplify right side
    627,680.49x = 214,972,153,781.02
  5. Step 5: Solve for x
    x = 214,972,153,781.02/627,680.49
  6. Step 6: Final answer
    x = 342,486.60

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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.