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Finding the Fourth Proportional to 322,514.55, 484,288.20 and 256,503.60

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Solution

The fourth proportional to 322,514.55, 484,288.20 and 256,503.60 is: 385,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,514.55 : 484,288.20 = 256,503.60 : x
  2. Step 2: Convert to fraction form
    322,514.55/484,288.20 = 256,503.60/x
  3. Step 3: Cross multiply
    322,514.55x = 484,288.20 × 256,503.60
  4. Step 4: Simplify right side
    322,514.55x = 124,221,666,737.52
  5. Step 5: Solve for x
    x = 124,221,666,737.52/322,514.55
  6. Step 6: Final answer
    x = 385,166.09

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