Home / 632,971.20-949,466.40-206,505.12

Finding the Fourth Proportional to 632,971.20, 949,466.40 and 206,505.12

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Solution

The fourth proportional to 632,971.20, 949,466.40 and 206,505.12 is: 309,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,971.20 : 949,466.40 = 206,505.12 : x
  2. Step 2: Convert to fraction form
    632,971.20/949,466.40 = 206,505.12/x
  3. Step 3: Cross multiply
    632,971.20x = 949,466.40 × 206,505.12
  4. Step 4: Simplify right side
    632,971.20x = 196,069,672,867.97
  5. Step 5: Solve for x
    x = 196,069,672,867.97/632,971.20
  6. Step 6: Final answer
    x = 309,760.81

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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.