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Finding the Fourth Proportional to 452,405.70, 678,608.55 and 274,967.10

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Solution

The fourth proportional to 452,405.70, 678,608.55 and 274,967.10 is: 412,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,405.70 : 678,608.55 = 274,967.10 : x
  2. Step 2: Convert to fraction form
    452,405.70/678,608.55 = 274,967.10/x
  3. Step 3: Cross multiply
    452,405.70x = 678,608.55 × 274,967.10
  4. Step 4: Simplify right side
    452,405.70x = 186,595,025,028.71
  5. Step 5: Solve for x
    x = 186,595,025,028.71/452,405.70
  6. Step 6: Final answer
    x = 412,450.65

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