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Finding the Fourth Proportional to 559,282.43, 771,828.95 and 317,556.97

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Solution

The fourth proportional to 559,282.43, 771,828.95 and 317,556.97 is: 438,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,282.43 : 771,828.95 = 317,556.97 : x
  2. Step 2: Convert to fraction form
    559,282.43/771,828.95 = 317,556.97/x
  3. Step 3: Cross multiply
    559,282.43x = 771,828.95 × 317,556.97
  4. Step 4: Simplify right side
    559,282.43x = 245,099,657,273.35
  5. Step 5: Solve for x
    x = 245,099,657,273.35/559,282.43
  6. Step 6: Final answer
    x = 438,239.51

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