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Finding the Fourth Proportional to 471,254.60, 705,845.10 and 409,046.60

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Solution

The fourth proportional to 471,254.60, 705,845.10 and 409,046.60 is: 612,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,254.60 : 705,845.10 = 409,046.60 : x
  2. Step 2: Convert to fraction form
    471,254.60/705,845.10 = 409,046.60/x
  3. Step 3: Cross multiply
    471,254.60x = 705,845.10 × 409,046.60
  4. Step 4: Simplify right side
    471,254.60x = 288,723,538,281.66
  5. Step 5: Solve for x
    x = 288,723,538,281.66/471,254.60
  6. Step 6: Final answer
    x = 612,669.96

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