Home / 445,215.97-666,227.63-385,450.02

Finding the Fourth Proportional to 445,215.97, 666,227.63 and 385,450.02

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Solution

The fourth proportional to 445,215.97, 666,227.63 and 385,450.02 is: 576,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,215.97 : 666,227.63 = 385,450.02 : x
  2. Step 2: Convert to fraction form
    445,215.97/666,227.63 = 385,450.02/x
  3. Step 3: Cross multiply
    445,215.97x = 666,227.63 × 385,450.02
  4. Step 4: Simplify right side
    445,215.97x = 256,797,448,049.66
  5. Step 5: Solve for x
    x = 256,797,448,049.66/445,215.97
  6. Step 6: Final answer
    x = 576,792.98

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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.