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Finding the Fourth Proportional to 303,796.20, 455,038.20 and 264,430.20

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Solution

The fourth proportional to 303,796.20, 455,038.20 and 264,430.20 is: 396,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,796.20 : 455,038.20 = 264,430.20 : x
  2. Step 2: Convert to fraction form
    303,796.20/455,038.20 = 264,430.20/x
  3. Step 3: Cross multiply
    303,796.20x = 455,038.20 × 264,430.20
  4. Step 4: Simplify right side
    303,796.20x = 120,325,842,233.64
  5. Step 5: Solve for x
    x = 120,325,842,233.64/303,796.20
  6. Step 6: Final answer
    x = 396,074.22

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