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Finding the Fourth Proportional to 560,199.72, 773,140.97 and 318,518.50

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Solution

The fourth proportional to 560,199.72, 773,140.97 and 318,518.50 is: 439,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,199.72 : 773,140.97 = 318,518.50 : x
  2. Step 2: Convert to fraction form
    560,199.72/773,140.97 = 318,518.50/x
  3. Step 3: Cross multiply
    560,199.72x = 773,140.97 × 318,518.50
  4. Step 4: Simplify right side
    560,199.72x = 246,259,702,052.95
  5. Step 5: Solve for x
    x = 246,259,702,052.95/560,199.72
  6. Step 6: Final answer
    x = 439,592.69

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