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Finding the Fourth Proportional to 405,960.70, 569,278.10 and 405,960.70

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Solution

The fourth proportional to 405,960.70, 569,278.10 and 405,960.70 is: 569,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,960.70 : 569,278.10 = 405,960.70 : x
  2. Step 2: Convert to fraction form
    405,960.70/569,278.10 = 405,960.70/x
  3. Step 3: Cross multiply
    405,960.70x = 569,278.10 × 405,960.70
  4. Step 4: Simplify right side
    405,960.70x = 231,104,535,970.67
  5. Step 5: Solve for x
    x = 231,104,535,970.67/405,960.70
  6. Step 6: Final answer
    x = 569,278.10

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