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Finding the Fourth Proportional to 455,847.40, 682,786.95 and 296,415.10

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Solution

The fourth proportional to 455,847.40, 682,786.95 and 296,415.10 is: 443,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,847.40 : 682,786.95 = 296,415.10 : x
  2. Step 2: Convert to fraction form
    455,847.40/682,786.95 = 296,415.10/x
  3. Step 3: Cross multiply
    455,847.40x = 682,786.95 × 296,415.10
  4. Step 4: Simplify right side
    455,847.40x = 202,388,362,062.95
  5. Step 5: Solve for x
    x = 202,388,362,062.95/455,847.40
  6. Step 6: Final answer
    x = 443,982.71

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