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Finding the Fourth Proportional to 497,725.60, 746,588.40 and 308,336.80

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Solution

The fourth proportional to 497,725.60, 746,588.40 and 308,336.80 is: 462,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,725.60 : 746,588.40 = 308,336.80 : x
  2. Step 2: Convert to fraction form
    497,725.60/746,588.40 = 308,336.80/x
  3. Step 3: Cross multiply
    497,725.60x = 746,588.40 × 308,336.80
  4. Step 4: Simplify right side
    497,725.60x = 230,200,678,173.12
  5. Step 5: Solve for x
    x = 230,200,678,173.12/497,725.60
  6. Step 6: Final answer
    x = 462,505.20

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