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Finding the Fourth Proportional to 569.12, 785.04 and 453.28

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Solution

The fourth proportional to 569.12, 785.04 and 453.28 is: 625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.12 : 785.04 = 453.28 : x
  2. Step 2: Convert to fraction form
    569.12/785.04 = 453.28/x
  3. Step 3: Cross multiply
    569.12x = 785.04 × 453.28
  4. Step 4: Simplify right side
    569.12x = 355,842.93
  5. Step 5: Solve for x
    x = 355,842.93/569.12
  6. Step 6: Final answer
    x = 625.25

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