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Finding the Fourth Proportional to 448,215.90, 629,076.90 and 448,215.90

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Solution

The fourth proportional to 448,215.90, 629,076.90 and 448,215.90 is: 629,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,215.90 : 629,076.90 = 448,215.90 : x
  2. Step 2: Convert to fraction form
    448,215.90/629,076.90 = 448,215.90/x
  3. Step 3: Cross multiply
    448,215.90x = 629,076.90 × 448,215.90
  4. Step 4: Simplify right side
    448,215.90x = 281,962,268,902.71
  5. Step 5: Solve for x
    x = 281,962,268,902.71/448,215.90
  6. Step 6: Final answer
    x = 629,076.90

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