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Finding the Fourth Proportional to 389,574.20, 584,361.30 and 179,622.20

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Solution

The fourth proportional to 389,574.20, 584,361.30 and 179,622.20 is: 269,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,574.20 : 584,361.30 = 179,622.20 : x
  2. Step 2: Convert to fraction form
    389,574.20/584,361.30 = 179,622.20/x
  3. Step 3: Cross multiply
    389,574.20x = 584,361.30 × 179,622.20
  4. Step 4: Simplify right side
    389,574.20x = 104,964,262,300.86
  5. Step 5: Solve for x
    x = 104,964,262,300.86/389,574.20
  6. Step 6: Final answer
    x = 269,433.30

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