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Finding the Fourth Proportional to 554,970.46, 765,859.24 and 300,321.65

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Solution

The fourth proportional to 554,970.46, 765,859.24 and 300,321.65 is: 414,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,970.46 : 765,859.24 = 300,321.65 : x
  2. Step 2: Convert to fraction form
    554,970.46/765,859.24 = 300,321.65/x
  3. Step 3: Cross multiply
    554,970.46x = 765,859.24 × 300,321.65
  4. Step 4: Simplify right side
    554,970.46x = 230,004,110,624.55
  5. Step 5: Solve for x
    x = 230,004,110,624.55/554,970.46
  6. Step 6: Final answer
    x = 414,443.88

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