Home / 797,986-1,101,243.72-440,313.04

Finding the Fourth Proportional to 797,986, 1,101,243.72 and 440,313.04

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Solution

The fourth proportional to 797,986, 1,101,243.72 and 440,313.04 is: 607,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,986 : 1,101,243.72 = 440,313.04 : x
  2. Step 2: Convert to fraction form
    797,986/1,101,243.72 = 440,313.04/x
  3. Step 3: Cross multiply
    797,986x = 1,101,243.72 × 440,313.04
  4. Step 4: Simplify right side
    797,986x = 484,891,970,134.11
  5. Step 5: Solve for x
    x = 484,891,970,134.11/797,986
  6. Step 6: Final answer
    x = 607,644.71

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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.