Home / 481,440.38-664,379.07-266,579.78

Finding the Fourth Proportional to 481,440.38, 664,379.07 and 266,579.78

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Solution

The fourth proportional to 481,440.38, 664,379.07 and 266,579.78 is: 367,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,440.38 : 664,379.07 = 266,579.78 : x
  2. Step 2: Convert to fraction form
    481,440.38/664,379.07 = 266,579.78/x
  3. Step 3: Cross multiply
    481,440.38x = 664,379.07 × 266,579.78
  4. Step 4: Simplify right side
    481,440.38x = 177,110,026,317.21
  5. Step 5: Solve for x
    x = 177,110,026,317.21/481,440.38
  6. Step 6: Final answer
    x = 367,875.30

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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.