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Finding the Fourth Proportional to 448,446.12, 618,212.64 and 352,786.72

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Solution

The fourth proportional to 448,446.12, 618,212.64 and 352,786.72 is: 486,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,446.12 : 618,212.64 = 352,786.72 : x
  2. Step 2: Convert to fraction form
    448,446.12/618,212.64 = 352,786.72/x
  3. Step 3: Cross multiply
    448,446.12x = 618,212.64 × 352,786.72
  4. Step 4: Simplify right side
    448,446.12x = 218,097,209,528.14
  5. Step 5: Solve for x
    x = 218,097,209,528.14/448,446.12
  6. Step 6: Final answer
    x = 486,339.83

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