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Finding the Fourth Proportional to 288,900.80, 432,832.80 and 247,428.80

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Solution

The fourth proportional to 288,900.80, 432,832.80 and 247,428.80 is: 370,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,900.80 : 432,832.80 = 247,428.80 : x
  2. Step 2: Convert to fraction form
    288,900.80/432,832.80 = 247,428.80/x
  3. Step 3: Cross multiply
    288,900.80x = 432,832.80 × 247,428.80
  4. Step 4: Simplify right side
    288,900.80x = 107,095,300,304.64
  5. Step 5: Solve for x
    x = 107,095,300,304.64/288,900.80
  6. Step 6: Final answer
    x = 370,699.22

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