Home / 923,745.28-1,385,706.24-258,895.36

Finding the Fourth Proportional to 923,745.28, 1,385,706.24 and 258,895.36

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Solution

The fourth proportional to 923,745.28, 1,385,706.24 and 258,895.36 is: 388,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,745.28 : 1,385,706.24 = 258,895.36 : x
  2. Step 2: Convert to fraction form
    923,745.28/1,385,706.24 = 258,895.36/x
  3. Step 3: Cross multiply
    923,745.28x = 1,385,706.24 × 258,895.36
  4. Step 4: Simplify right side
    923,745.28x = 358,752,915,859.05
  5. Step 5: Solve for x
    x = 358,752,915,859.05/923,745.28
  6. Step 6: Final answer
    x = 388,367.79

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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.