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Finding the Fourth Proportional to 404,590.80, 606,886.20 and 194,120.40

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Solution

The fourth proportional to 404,590.80, 606,886.20 and 194,120.40 is: 291,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,590.80 : 606,886.20 = 194,120.40 : x
  2. Step 2: Convert to fraction form
    404,590.80/606,886.20 = 194,120.40/x
  3. Step 3: Cross multiply
    404,590.80x = 606,886.20 × 194,120.40
  4. Step 4: Simplify right side
    404,590.80x = 117,808,991,898.48
  5. Step 5: Solve for x
    x = 117,808,991,898.48/404,590.80
  6. Step 6: Final answer
    x = 291,180.60

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