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Finding the Fourth Proportional to 380,794.80, 525,517.74 and 211,025.28

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Solution

The fourth proportional to 380,794.80, 525,517.74 and 211,025.28 is: 291,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,794.80 : 525,517.74 = 211,025.28 : x
  2. Step 2: Convert to fraction form
    380,794.80/525,517.74 = 211,025.28/x
  3. Step 3: Cross multiply
    380,794.80x = 525,517.74 × 211,025.28
  4. Step 4: Simplify right side
    380,794.80x = 110,897,528,228.47
  5. Step 5: Solve for x
    x = 110,897,528,228.47/380,794.80
  6. Step 6: Final answer
    x = 291,226.48

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