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Finding the Fourth Proportional to 453,170.44, 678,721.62 and 216,680.38

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Solution

The fourth proportional to 453,170.44, 678,721.62 and 216,680.38 is: 324,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,170.44 : 678,721.62 = 216,680.38 : x
  2. Step 2: Convert to fraction form
    453,170.44/678,721.62 = 216,680.38/x
  3. Step 3: Cross multiply
    453,170.44x = 678,721.62 × 216,680.38
  4. Step 4: Simplify right side
    453,170.44x = 147,065,658,535.82
  5. Step 5: Solve for x
    x = 147,065,658,535.82/453,170.44
  6. Step 6: Final answer
    x = 324,526.15

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