Home / 689,414.06-951,080.46-402,805.28

Finding the Fourth Proportional to 689,414.06, 951,080.46 and 402,805.28

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Solution

The fourth proportional to 689,414.06, 951,080.46 and 402,805.28 is: 555,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,414.06 : 951,080.46 = 402,805.28 : x
  2. Step 2: Convert to fraction form
    689,414.06/951,080.46 = 402,805.28/x
  3. Step 3: Cross multiply
    689,414.06x = 951,080.46 × 402,805.28
  4. Step 4: Simplify right side
    689,414.06x = 383,100,230,992.83
  5. Step 5: Solve for x
    x = 383,100,230,992.83/689,414.06
  6. Step 6: Final answer
    x = 555,689.61

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