Home / 676,879.91-1,015,312.56-277,431.65

Finding the Fourth Proportional to 676,879.91, 1,015,312.56 and 277,431.65

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Solution

The fourth proportional to 676,879.91, 1,015,312.56 and 277,431.65 is: 416,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,879.91 : 1,015,312.56 = 277,431.65 : x
  2. Step 2: Convert to fraction form
    676,879.91/1,015,312.56 = 277,431.65/x
  3. Step 3: Cross multiply
    676,879.91x = 1,015,312.56 × 277,431.65
  4. Step 4: Simplify right side
    676,879.91x = 281,679,833,709.96
  5. Step 5: Solve for x
    x = 281,679,833,709.96/676,879.91
  6. Step 6: Final answer
    x = 416,144.48

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