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Finding the Fourth Proportional to 404,539.80, 605,427.30 and 354,773.40

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Solution

The fourth proportional to 404,539.80, 605,427.30 and 354,773.40 is: 530,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,539.80 : 605,427.30 = 354,773.40 : x
  2. Step 2: Convert to fraction form
    404,539.80/605,427.30 = 354,773.40/x
  3. Step 3: Cross multiply
    404,539.80x = 605,427.30 × 354,773.40
  4. Step 4: Simplify right side
    404,539.80x = 214,789,501,673.82
  5. Step 5: Solve for x
    x = 214,789,501,673.82/404,539.80
  6. Step 6: Final answer
    x = 530,947.76

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