Home / 644,150.40-965,240.32-269,969.28

Finding the Fourth Proportional to 644,150.40, 965,240.32 and 269,969.28

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Solution

The fourth proportional to 644,150.40, 965,240.32 and 269,969.28 is: 404,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,150.40 : 965,240.32 = 269,969.28 : x
  2. Step 2: Convert to fraction form
    644,150.40/965,240.32 = 269,969.28/x
  3. Step 3: Cross multiply
    644,150.40x = 965,240.32 × 269,969.28
  4. Step 4: Simplify right side
    644,150.40x = 260,585,234,217.37
  5. Step 5: Solve for x
    x = 260,585,234,217.37/644,150.40
  6. Step 6: Final answer
    x = 404,540.98

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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.