Home / 923,949.79-1,385,974.37-292,912.81

Finding the Fourth Proportional to 923,949.79, 1,385,974.37 and 292,912.81

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Solution

The fourth proportional to 923,949.79, 1,385,974.37 and 292,912.81 is: 439,384.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,949.79 : 1,385,974.37 = 292,912.81 : x
  2. Step 2: Convert to fraction form
    923,949.79/1,385,974.37 = 292,912.81/x
  3. Step 3: Cross multiply
    923,949.79x = 1,385,974.37 × 292,912.81
  4. Step 4: Simplify right side
    923,949.79x = 405,969,647,304.68
  5. Step 5: Solve for x
    x = 405,969,647,304.68/923,949.79
  6. Step 6: Final answer
    x = 439,384.97

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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.