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Finding the Fourth Proportional to 555,214.82, 766,196.70 and 300,566

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Solution

The fourth proportional to 555,214.82, 766,196.70 and 300,566 is: 414,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,214.82 : 766,196.70 = 300,566 : x
  2. Step 2: Convert to fraction form
    555,214.82/766,196.70 = 300,566/x
  3. Step 3: Cross multiply
    555,214.82x = 766,196.70 × 300,566
  4. Step 4: Simplify right side
    555,214.82x = 230,292,677,332.20
  5. Step 5: Solve for x
    x = 230,292,677,332.20/555,214.82
  6. Step 6: Final answer
    x = 414,781.21

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