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Finding the Fourth Proportional to 413,829.60, 619,707.60 and 272,824.80

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Solution

The fourth proportional to 413,829.60, 619,707.60 and 272,824.80 is: 408,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,829.60 : 619,707.60 = 272,824.80 : x
  2. Step 2: Convert to fraction form
    413,829.60/619,707.60 = 272,824.80/x
  3. Step 3: Cross multiply
    413,829.60x = 619,707.60 × 272,824.80
  4. Step 4: Simplify right side
    413,829.60x = 169,071,602,028.48
  5. Step 5: Solve for x
    x = 169,071,602,028.48/413,829.60
  6. Step 6: Final answer
    x = 408,553.67

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