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Finding the Fourth Proportional to 499,531.60, 749,297.40 and 347,316.40

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Solution

The fourth proportional to 499,531.60, 749,297.40 and 347,316.40 is: 520,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,531.60 : 749,297.40 = 347,316.40 : x
  2. Step 2: Convert to fraction form
    499,531.60/749,297.40 = 347,316.40/x
  3. Step 3: Cross multiply
    499,531.60x = 749,297.40 × 347,316.40
  4. Step 4: Simplify right side
    499,531.60x = 260,243,275,497.36
  5. Step 5: Solve for x
    x = 260,243,275,497.36/499,531.60
  6. Step 6: Final answer
    x = 520,974.60

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