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Finding the Fourth Proportional to 475,247.60, 713,063.40 and 209,058.80

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Solution

The fourth proportional to 475,247.60, 713,063.40 and 209,058.80 is: 313,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,247.60 : 713,063.40 = 209,058.80 : x
  2. Step 2: Convert to fraction form
    475,247.60/713,063.40 = 209,058.80/x
  3. Step 3: Cross multiply
    475,247.60x = 713,063.40 × 209,058.80
  4. Step 4: Simplify right side
    475,247.60x = 149,072,178,727.92
  5. Step 5: Solve for x
    x = 149,072,178,727.92/475,247.60
  6. Step 6: Final answer
    x = 313,672.66

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