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Finding the Fourth Proportional to 304,475.20, 456,712.80 and 82,859.20

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Solution

The fourth proportional to 304,475.20, 456,712.80 and 82,859.20 is: 124,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,475.20 : 456,712.80 = 82,859.20 : x
  2. Step 2: Convert to fraction form
    304,475.20/456,712.80 = 82,859.20/x
  3. Step 3: Cross multiply
    304,475.20x = 456,712.80 × 82,859.20
  4. Step 4: Simplify right side
    304,475.20x = 37,842,857,237.76
  5. Step 5: Solve for x
    x = 37,842,857,237.76/304,475.20
  6. Step 6: Final answer
    x = 124,288.80

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