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Finding the Fourth Proportional to 412,720.72, 569,313.29 and 259,516.35

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Solution

The fourth proportional to 412,720.72, 569,313.29 and 259,516.35 is: 357,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,720.72 : 569,313.29 = 259,516.35 : x
  2. Step 2: Convert to fraction form
    412,720.72/569,313.29 = 259,516.35/x
  3. Step 3: Cross multiply
    412,720.72x = 569,313.29 × 259,516.35
  4. Step 4: Simplify right side
    412,720.72x = 147,746,107,676.08
  5. Step 5: Solve for x
    x = 147,746,107,676.08/412,720.72
  6. Step 6: Final answer
    x = 357,980.84

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