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Finding the Fourth Proportional to 550,967.02, 760,276.06 and 309,276.18

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Solution

The fourth proportional to 550,967.02, 760,276.06 and 309,276.18 is: 426,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,967.02 : 760,276.06 = 309,276.18 : x
  2. Step 2: Convert to fraction form
    550,967.02/760,276.06 = 309,276.18/x
  3. Step 3: Cross multiply
    550,967.02x = 760,276.06 × 309,276.18
  4. Step 4: Simplify right side
    550,967.02x = 235,135,274,809.06
  5. Step 5: Solve for x
    x = 235,135,274,809.06/550,967.02
  6. Step 6: Final answer
    x = 426,768.33

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