Home / 825,462.99-1,238,066.78-339,194.43

Finding the Fourth Proportional to 825,462.99, 1,238,066.78 and 339,194.43

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Solution

The fourth proportional to 825,462.99, 1,238,066.78 and 339,194.43 is: 508,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,462.99 : 1,238,066.78 = 339,194.43 : x
  2. Step 2: Convert to fraction form
    825,462.99/1,238,066.78 = 339,194.43/x
  3. Step 3: Cross multiply
    825,462.99x = 1,238,066.78 × 339,194.43
  4. Step 4: Simplify right side
    825,462.99x = 419,945,354,048.06
  5. Step 5: Solve for x
    x = 419,945,354,048.06/825,462.99
  6. Step 6: Final answer
    x = 508,739.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.