Home / 796,358.50-1,098,974.79-438,662.50

Finding the Fourth Proportional to 796,358.50, 1,098,974.79 and 438,662.50

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Solution

The fourth proportional to 796,358.50, 1,098,974.79 and 438,662.50 is: 605,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,358.50 : 1,098,974.79 = 438,662.50 : x
  2. Step 2: Convert to fraction form
    796,358.50/1,098,974.79 = 438,662.50/x
  3. Step 3: Cross multiply
    796,358.50x = 1,098,974.79 × 438,662.50
  4. Step 4: Simplify right side
    796,358.50x = 482,079,028,818.38
  5. Step 5: Solve for x
    x = 482,079,028,818.38/796,358.50
  6. Step 6: Final answer
    x = 605,354.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.