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Finding the Fourth Proportional to 589,987.77, 814,181.62 and 321,715.77

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Solution

The fourth proportional to 589,987.77, 814,181.62 and 321,715.77 is: 443,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,987.77 : 814,181.62 = 321,715.77 : x
  2. Step 2: Convert to fraction form
    589,987.77/814,181.62 = 321,715.77/x
  3. Step 3: Cross multiply
    589,987.77x = 814,181.62 × 321,715.77
  4. Step 4: Simplify right side
    589,987.77x = 261,935,066,798.15
  5. Step 5: Solve for x
    x = 261,935,066,798.15/589,987.77
  6. Step 6: Final answer
    x = 443,966.94

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