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Finding the Fourth Proportional to 470,830.20, 706,245.30 and 115,839.60

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Solution

The fourth proportional to 470,830.20, 706,245.30 and 115,839.60 is: 173,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,830.20 : 706,245.30 = 115,839.60 : x
  2. Step 2: Convert to fraction form
    470,830.20/706,245.30 = 115,839.60/x
  3. Step 3: Cross multiply
    470,830.20x = 706,245.30 × 115,839.60
  4. Step 4: Simplify right side
    470,830.20x = 81,811,173,053.88
  5. Step 5: Solve for x
    x = 81,811,173,053.88/470,830.20
  6. Step 6: Final answer
    x = 173,759.40

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