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Finding the Fourth Proportional to 470,455.20, 705,682.80 and 115,464.60

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Solution

The fourth proportional to 470,455.20, 705,682.80 and 115,464.60 is: 173,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,455.20 : 705,682.80 = 115,464.60 : x
  2. Step 2: Convert to fraction form
    470,455.20/705,682.80 = 115,464.60/x
  3. Step 3: Cross multiply
    470,455.20x = 705,682.80 × 115,464.60
  4. Step 4: Simplify right side
    470,455.20x = 81,481,382,228.88
  5. Step 5: Solve for x
    x = 81,481,382,228.88/470,455.20
  6. Step 6: Final answer
    x = 173,196.90

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