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Finding the Fourth Proportional to 618,847.20, 853,932.78 and 377,041.68

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Solution

The fourth proportional to 618,847.20, 853,932.78 and 377,041.68 is: 520,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,847.20 : 853,932.78 = 377,041.68 : x
  2. Step 2: Convert to fraction form
    618,847.20/853,932.78 = 377,041.68/x
  3. Step 3: Cross multiply
    618,847.20x = 853,932.78 × 377,041.68
  4. Step 4: Simplify right side
    618,847.20x = 321,968,249,978.27
  5. Step 5: Solve for x
    x = 321,968,249,978.27/618,847.20
  6. Step 6: Final answer
    x = 520,271.00

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