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Finding the Fourth Proportional to 568,206.40, 852,309.60 and 331,427.20

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Solution

The fourth proportional to 568,206.40, 852,309.60 and 331,427.20 is: 497,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,206.40 : 852,309.60 = 331,427.20 : x
  2. Step 2: Convert to fraction form
    568,206.40/852,309.60 = 331,427.20/x
  3. Step 3: Cross multiply
    568,206.40x = 852,309.60 × 331,427.20
  4. Step 4: Simplify right side
    568,206.40x = 282,478,584,261.12
  5. Step 5: Solve for x
    x = 282,478,584,261.12/568,206.40
  6. Step 6: Final answer
    x = 497,140.80

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