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Finding the Fourth Proportional to 540,023.40, 810,035.10 and 414,052.20

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Solution

The fourth proportional to 540,023.40, 810,035.10 and 414,052.20 is: 621,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,023.40 : 810,035.10 = 414,052.20 : x
  2. Step 2: Convert to fraction form
    540,023.40/810,035.10 = 414,052.20/x
  3. Step 3: Cross multiply
    540,023.40x = 810,035.10 × 414,052.20
  4. Step 4: Simplify right side
    540,023.40x = 335,396,815,232.22
  5. Step 5: Solve for x
    x = 335,396,815,232.22/540,023.40
  6. Step 6: Final answer
    x = 621,078.30

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