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Finding the Fourth Proportional to 389,232.83, 536,664.07 and 320,080.63

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Solution

The fourth proportional to 389,232.83, 536,664.07 and 320,080.63 is: 441,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,232.83 : 536,664.07 = 320,080.63 : x
  2. Step 2: Convert to fraction form
    389,232.83/536,664.07 = 320,080.63/x
  3. Step 3: Cross multiply
    389,232.83x = 536,664.07 × 320,080.63
  4. Step 4: Simplify right side
    389,232.83x = 171,775,773,623.96
  5. Step 5: Solve for x
    x = 171,775,773,623.96/389,232.83
  6. Step 6: Final answer
    x = 441,318.82

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