Home / 627,729.60-941,824.80-253,790.40

Finding the Fourth Proportional to 627,729.60, 941,824.80 and 253,790.40

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Solution

The fourth proportional to 627,729.60, 941,824.80 and 253,790.40 is: 380,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,729.60 : 941,824.80 = 253,790.40 : x
  2. Step 2: Convert to fraction form
    627,729.60/941,824.80 = 253,790.40/x
  3. Step 3: Cross multiply
    627,729.60x = 941,824.80 × 253,790.40
  4. Step 4: Simplify right side
    627,729.60x = 239,026,092,721.92
  5. Step 5: Solve for x
    x = 239,026,092,721.92/627,729.60
  6. Step 6: Final answer
    x = 380,778.75

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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.