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Finding the Fourth Proportional to 610,663.83, 842,615.15 and 338,688.51

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Solution

The fourth proportional to 610,663.83, 842,615.15 and 338,688.51 is: 467,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,663.83 : 842,615.15 = 338,688.51 : x
  2. Step 2: Convert to fraction form
    610,663.83/842,615.15 = 338,688.51/x
  3. Step 3: Cross multiply
    610,663.83x = 842,615.15 × 338,688.51
  4. Step 4: Simplify right side
    610,663.83x = 285,384,067,963.48
  5. Step 5: Solve for x
    x = 285,384,067,963.48/610,663.83
  6. Step 6: Final answer
    x = 467,334.16

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