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Finding the Fourth Proportional to 499,550.80, 749,326.20 and 491,256.40

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Solution

The fourth proportional to 499,550.80, 749,326.20 and 491,256.40 is: 736,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,550.80 : 749,326.20 = 491,256.40 : x
  2. Step 2: Convert to fraction form
    499,550.80/749,326.20 = 491,256.40/x
  3. Step 3: Cross multiply
    499,550.80x = 749,326.20 × 491,256.40
  4. Step 4: Simplify right side
    499,550.80x = 368,111,291,437.68
  5. Step 5: Solve for x
    x = 368,111,291,437.68/499,550.80
  6. Step 6: Final answer
    x = 736,884.60

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