Home / 628,270.40-941,791.20-253,793.60

Finding the Fourth Proportional to 628,270.40, 941,791.20 and 253,793.60

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Solution

The fourth proportional to 628,270.40, 941,791.20 and 253,793.60 is: 380,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,270.40 : 941,791.20 = 253,793.60 : x
  2. Step 2: Convert to fraction form
    628,270.40/941,791.20 = 253,793.60/x
  3. Step 3: Cross multiply
    628,270.40x = 941,791.20 × 253,793.60
  4. Step 4: Simplify right side
    628,270.40x = 239,020,579,096.32
  5. Step 5: Solve for x
    x = 239,020,579,096.32/628,270.40
  6. Step 6: Final answer
    x = 380,442.21

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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.