Home / 775,286.72-1,163,381.28-325,975.04

Finding the Fourth Proportional to 775,286.72, 1,163,381.28 and 325,975.04

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Solution

The fourth proportional to 775,286.72, 1,163,381.28 and 325,975.04 is: 489,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,286.72 : 1,163,381.28 = 325,975.04 : x
  2. Step 2: Convert to fraction form
    775,286.72/1,163,381.28 = 325,975.04/x
  3. Step 3: Cross multiply
    775,286.72x = 1,163,381.28 × 325,975.04
  4. Step 4: Simplify right side
    775,286.72x = 379,233,259,283.25
  5. Step 5: Solve for x
    x = 379,233,259,283.25/775,286.72
  6. Step 6: Final answer
    x = 489,152.27

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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.