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Finding the Fourth Proportional to 576,827.12, 796,037.47 and 318,720.69

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Solution

The fourth proportional to 576,827.12, 796,037.47 and 318,720.69 is: 439,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,827.12 : 796,037.47 = 318,720.69 : x
  2. Step 2: Convert to fraction form
    576,827.12/796,037.47 = 318,720.69/x
  3. Step 3: Cross multiply
    576,827.12x = 796,037.47 × 318,720.69
  4. Step 4: Simplify right side
    576,827.12x = 253,713,610,907.45
  5. Step 5: Solve for x
    x = 253,713,610,907.45/576,827.12
  6. Step 6: Final answer
    x = 439,843.42

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