Home / 854,469.36-1,281,960.96-255,450

Finding the Fourth Proportional to 854,469.36, 1,281,960.96 and 255,450

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Solution

The fourth proportional to 854,469.36, 1,281,960.96 and 255,450 is: 383,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,469.36 : 1,281,960.96 = 255,450 : x
  2. Step 2: Convert to fraction form
    854,469.36/1,281,960.96 = 255,450/x
  3. Step 3: Cross multiply
    854,469.36x = 1,281,960.96 × 255,450
  4. Step 4: Simplify right side
    854,469.36x = 327,476,927,232
  5. Step 5: Solve for x
    x = 327,476,927,232/854,469.36
  6. Step 6: Final answer
    x = 383,251.81

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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.