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Finding the Fourth Proportional to 479,215.40, 718,823.10 and 124,226.60

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Solution

The fourth proportional to 479,215.40, 718,823.10 and 124,226.60 is: 186,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,215.40 : 718,823.10 = 124,226.60 : x
  2. Step 2: Convert to fraction form
    479,215.40/718,823.10 = 124,226.60/x
  3. Step 3: Cross multiply
    479,215.40x = 718,823.10 × 124,226.60
  4. Step 4: Simplify right side
    479,215.40x = 89,296,949,714.46
  5. Step 5: Solve for x
    x = 89,296,949,714.46/479,215.40
  6. Step 6: Final answer
    x = 186,339.90

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