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Finding the Fourth Proportional to 400,840.52, 601,246.19 and 120,350.48

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Solution

The fourth proportional to 400,840.52, 601,246.19 and 120,350.48 is: 180,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,840.52 : 601,246.19 = 120,350.48 : x
  2. Step 2: Convert to fraction form
    400,840.52/601,246.19 = 120,350.48/x
  3. Step 3: Cross multiply
    400,840.52x = 601,246.19 × 120,350.48
  4. Step 4: Simplify right side
    400,840.52x = 72,360,264,859.32
  5. Step 5: Solve for x
    x = 72,360,264,859.32/400,840.52
  6. Step 6: Final answer
    x = 180,521.33

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