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Finding the Fourth Proportional to 569,534.40, 853,135.20 and 289,209.60

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Solution

The fourth proportional to 569,534.40, 853,135.20 and 289,209.60 is: 433,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,534.40 : 853,135.20 = 289,209.60 : x
  2. Step 2: Convert to fraction form
    569,534.40/853,135.20 = 289,209.60/x
  3. Step 3: Cross multiply
    569,534.40x = 853,135.20 × 289,209.60
  4. Step 4: Simplify right side
    569,534.40x = 246,734,889,937.92
  5. Step 5: Solve for x
    x = 246,734,889,937.92/569,534.40
  6. Step 6: Final answer
    x = 433,222.10

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