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Finding the Fourth Proportional to 489,929.32, 676,085.04 and 275,078.44

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Solution

The fourth proportional to 489,929.32, 676,085.04 and 275,078.44 is: 379,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,929.32 : 676,085.04 = 275,078.44 : x
  2. Step 2: Convert to fraction form
    489,929.32/676,085.04 = 275,078.44/x
  3. Step 3: Cross multiply
    489,929.32x = 676,085.04 × 275,078.44
  4. Step 4: Simplify right side
    489,929.32x = 185,976,418,955.64
  5. Step 5: Solve for x
    x = 185,976,418,955.64/489,929.32
  6. Step 6: Final answer
    x = 379,598.47

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