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Finding the Fourth Proportional to 404,709.80, 607,064.70 and 194,239.40

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Solution

The fourth proportional to 404,709.80, 607,064.70 and 194,239.40 is: 291,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,709.80 : 607,064.70 = 194,239.40 : x
  2. Step 2: Convert to fraction form
    404,709.80/607,064.70 = 194,239.40/x
  3. Step 3: Cross multiply
    404,709.80x = 607,064.70 × 194,239.40
  4. Step 4: Simplify right side
    404,709.80x = 117,915,883,089.18
  5. Step 5: Solve for x
    x = 117,915,883,089.18/404,709.80
  6. Step 6: Final answer
    x = 291,359.10

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