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Finding the Fourth Proportional to 471,123.88, 650,091.92 and 318,494.20

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Solution

The fourth proportional to 471,123.88, 650,091.92 and 318,494.20 is: 439,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,123.88 : 650,091.92 = 318,494.20 : x
  2. Step 2: Convert to fraction form
    471,123.88/650,091.92 = 318,494.20/x
  3. Step 3: Cross multiply
    471,123.88x = 650,091.92 × 318,494.20
  4. Step 4: Simplify right side
    471,123.88x = 207,050,505,986.86
  5. Step 5: Solve for x
    x = 207,050,505,986.86/471,123.88
  6. Step 6: Final answer
    x = 439,482.09

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