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Finding the Fourth Proportional to 508,736.20, 763,104.30 and 153,713.20

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Solution

The fourth proportional to 508,736.20, 763,104.30 and 153,713.20 is: 230,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,736.20 : 763,104.30 = 153,713.20 : x
  2. Step 2: Convert to fraction form
    508,736.20/763,104.30 = 153,713.20/x
  3. Step 3: Cross multiply
    508,736.20x = 763,104.30 × 153,713.20
  4. Step 4: Simplify right side
    508,736.20x = 117,299,203,886.76
  5. Step 5: Solve for x
    x = 117,299,203,886.76/508,736.20
  6. Step 6: Final answer
    x = 230,569.80

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