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Finding the Fourth Proportional to 555,209.16, 766,188.48 and 300,560.16

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Solution

The fourth proportional to 555,209.16, 766,188.48 and 300,560.16 is: 414,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,209.16 : 766,188.48 = 300,560.16 : x
  2. Step 2: Convert to fraction form
    555,209.16/766,188.48 = 300,560.16/x
  3. Step 3: Cross multiply
    555,209.16x = 766,188.48 × 300,560.16
  4. Step 4: Simplify right side
    555,209.16x = 230,285,732,138.96
  5. Step 5: Solve for x
    x = 230,285,732,138.96/555,209.16
  6. Step 6: Final answer
    x = 414,772.93

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