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Finding the Fourth Proportional to 587,336.55, 820,499.70 and 587,336.55

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Solution

The fourth proportional to 587,336.55, 820,499.70 and 587,336.55 is: 820,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,336.55 : 820,499.70 = 587,336.55 : x
  2. Step 2: Convert to fraction form
    587,336.55/820,499.70 = 587,336.55/x
  3. Step 3: Cross multiply
    587,336.55x = 820,499.70 × 587,336.55
  4. Step 4: Simplify right side
    587,336.55x = 481,909,463,074.04
  5. Step 5: Solve for x
    x = 481,909,463,074.04/587,336.55
  6. Step 6: Final answer
    x = 820,499.70

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