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Finding the Fourth Proportional to 380,304.23, 570,474.77 and 313,622.60

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Solution

The fourth proportional to 380,304.23, 570,474.77 and 313,622.60 is: 470,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,304.23 : 570,474.77 = 313,622.60 : x
  2. Step 2: Convert to fraction form
    380,304.23/570,474.77 = 313,622.60/x
  3. Step 3: Cross multiply
    380,304.23x = 570,474.77 × 313,622.60
  4. Step 4: Simplify right side
    380,304.23x = 178,913,776,181.32
  5. Step 5: Solve for x
    x = 178,913,776,181.32/380,304.23
  6. Step 6: Final answer
    x = 470,449.09

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