Home / 481,819.11-664,882.59-266,946.36

Finding the Fourth Proportional to 481,819.11, 664,882.59 and 266,946.36

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Solution

The fourth proportional to 481,819.11, 664,882.59 and 266,946.36 is: 368,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,819.11 : 664,882.59 = 266,946.36 : x
  2. Step 2: Convert to fraction form
    481,819.11/664,882.59 = 266,946.36/x
  3. Step 3: Cross multiply
    481,819.11x = 664,882.59 × 266,946.36
  4. Step 4: Simplify right side
    481,819.11x = 177,487,987,227.87
  5. Step 5: Solve for x
    x = 177,487,987,227.87/481,819.11
  6. Step 6: Final answer
    x = 368,370.58

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1.5x scale

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.