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Finding the Fourth Proportional to 293,801.19, 402,805.16 and 288,486.78

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Solution

The fourth proportional to 293,801.19, 402,805.16 and 288,486.78 is: 395,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,801.19 : 402,805.16 = 288,486.78 : x
  2. Step 2: Convert to fraction form
    293,801.19/402,805.16 = 288,486.78/x
  3. Step 3: Cross multiply
    293,801.19x = 402,805.16 × 288,486.78
  4. Step 4: Simplify right side
    293,801.19x = 116,203,963,575.79
  5. Step 5: Solve for x
    x = 116,203,963,575.79/293,801.19
  6. Step 6: Final answer
    x = 395,519.04

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