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Finding the Fourth Proportional to 554,985.18, 765,881.93 and 300,336.37

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Solution

The fourth proportional to 554,985.18, 765,881.93 and 300,336.37 is: 414,465.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,985.18 : 765,881.93 = 300,336.37 : x
  2. Step 2: Convert to fraction form
    554,985.18/765,881.93 = 300,336.37/x
  3. Step 3: Cross multiply
    554,985.18x = 765,881.93 × 300,336.37
  4. Step 4: Simplify right side
    554,985.18x = 230,022,197,540.93
  5. Step 5: Solve for x
    x = 230,022,197,540.93/554,985.18
  6. Step 6: Final answer
    x = 414,465.48

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