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Finding the Fourth Proportional to 509,063.20, 763,400.40 and 153,959.20

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Solution

The fourth proportional to 509,063.20, 763,400.40 and 153,959.20 is: 230,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,063.20 : 763,400.40 = 153,959.20 : x
  2. Step 2: Convert to fraction form
    509,063.20/763,400.40 = 153,959.20/x
  3. Step 3: Cross multiply
    509,063.20x = 763,400.40 × 153,959.20
  4. Step 4: Simplify right side
    509,063.20x = 117,532,514,863.68
  5. Step 5: Solve for x
    x = 117,532,514,863.68/509,063.20
  6. Step 6: Final answer
    x = 230,880.01

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