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Finding the Fourth Proportional to 718,567.08, 991,580.58 and 412,572.84

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Solution

The fourth proportional to 718,567.08, 991,580.58 and 412,572.84 is: 569,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,567.08 : 991,580.58 = 412,572.84 : x
  2. Step 2: Convert to fraction form
    718,567.08/991,580.58 = 412,572.84/x
  3. Step 3: Cross multiply
    718,567.08x = 991,580.58 × 412,572.84
  4. Step 4: Simplify right side
    718,567.08x = 409,099,215,979.45
  5. Step 5: Solve for x
    x = 409,099,215,979.45/718,567.08
  6. Step 6: Final answer
    x = 569,326.41

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