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Finding the Fourth Proportional to 576,703.80, 865,055.70 and 336,571.20

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Solution

The fourth proportional to 576,703.80, 865,055.70 and 336,571.20 is: 504,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,703.80 : 865,055.70 = 336,571.20 : x
  2. Step 2: Convert to fraction form
    576,703.80/865,055.70 = 336,571.20/x
  3. Step 3: Cross multiply
    576,703.80x = 865,055.70 × 336,571.20
  4. Step 4: Simplify right side
    576,703.80x = 291,152,835,015.84
  5. Step 5: Solve for x
    x = 291,152,835,015.84/576,703.80
  6. Step 6: Final answer
    x = 504,856.80

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