Home / 777,873.44-1,166,540.31-272,423.26

Finding the Fourth Proportional to 777,873.44, 1,166,540.31 and 272,423.26

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Solution

The fourth proportional to 777,873.44, 1,166,540.31 and 272,423.26 is: 408,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,873.44 : 1,166,540.31 = 272,423.26 : x
  2. Step 2: Convert to fraction form
    777,873.44/1,166,540.31 = 272,423.26/x
  3. Step 3: Cross multiply
    777,873.44x = 1,166,540.31 × 272,423.26
  4. Step 4: Simplify right side
    777,873.44x = 317,792,715,629.79
  5. Step 5: Solve for x
    x = 317,792,715,629.79/777,873.44
  6. Step 6: Final answer
    x = 408,540.38

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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.