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Finding the Fourth Proportional to 419,511.80, 579,140.88 and 284,260.52

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Solution

The fourth proportional to 419,511.80, 579,140.88 and 284,260.52 is: 392,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,511.80 : 579,140.88 = 284,260.52 : x
  2. Step 2: Convert to fraction form
    419,511.80/579,140.88 = 284,260.52/x
  3. Step 3: Cross multiply
    419,511.80x = 579,140.88 × 284,260.52
  4. Step 4: Simplify right side
    419,511.80x = 164,626,887,702.06
  5. Step 5: Solve for x
    x = 164,626,887,702.06/419,511.80
  6. Step 6: Final answer
    x = 392,424.93

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