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Finding the Fourth Proportional to 470,116.21, 648,771.65 and 255,265.33

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Solution

The fourth proportional to 470,116.21, 648,771.65 and 255,265.33 is: 352,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,116.21 : 648,771.65 = 255,265.33 : x
  2. Step 2: Convert to fraction form
    470,116.21/648,771.65 = 255,265.33/x
  3. Step 3: Cross multiply
    470,116.21x = 648,771.65 × 255,265.33
  4. Step 4: Simplify right side
    470,116.21x = 165,608,909,331.90
  5. Step 5: Solve for x
    x = 165,608,909,331.90/470,116.21
  6. Step 6: Final answer
    x = 352,272.28

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