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Finding the Fourth Proportional to 559,486.80, 839,230.20 and 483,379.20

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Solution

The fourth proportional to 559,486.80, 839,230.20 and 483,379.20 is: 725,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,486.80 : 839,230.20 = 483,379.20 : x
  2. Step 2: Convert to fraction form
    559,486.80/839,230.20 = 483,379.20/x
  3. Step 3: Cross multiply
    559,486.80x = 839,230.20 × 483,379.20
  4. Step 4: Simplify right side
    559,486.80x = 405,666,422,691.84
  5. Step 5: Solve for x
    x = 405,666,422,691.84/559,486.80
  6. Step 6: Final answer
    x = 725,068.80

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