Home / 481,914.72-664,824.24-290,867.04

Finding the Fourth Proportional to 481,914.72, 664,824.24 and 290,867.04

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Solution

The fourth proportional to 481,914.72, 664,824.24 and 290,867.04 is: 401,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,914.72 : 664,824.24 = 290,867.04 : x
  2. Step 2: Convert to fraction form
    481,914.72/664,824.24 = 290,867.04/x
  3. Step 3: Cross multiply
    481,914.72x = 664,824.24 × 290,867.04
  4. Step 4: Simplify right side
    481,914.72x = 193,375,458,809.05
  5. Step 5: Solve for x
    x = 193,375,458,809.05/481,914.72
  6. Step 6: Final answer
    x = 401,264.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.