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Finding the Fourth Proportional to 522,081.80, 783,122.70 and 356,193.80

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Solution

The fourth proportional to 522,081.80, 783,122.70 and 356,193.80 is: 534,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,081.80 : 783,122.70 = 356,193.80 : x
  2. Step 2: Convert to fraction form
    522,081.80/783,122.70 = 356,193.80/x
  3. Step 3: Cross multiply
    522,081.80x = 783,122.70 × 356,193.80
  4. Step 4: Simplify right side
    522,081.80x = 278,943,450,379.26
  5. Step 5: Solve for x
    x = 278,943,450,379.26/522,081.80
  6. Step 6: Final answer
    x = 534,290.70

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