Home / 497,071.26-685,933.92-282,183.12

Finding the Fourth Proportional to 497,071.26, 685,933.92 and 282,183.12

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Solution

The fourth proportional to 497,071.26, 685,933.92 and 282,183.12 is: 389,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,071.26 : 685,933.92 = 282,183.12 : x
  2. Step 2: Convert to fraction form
    497,071.26/685,933.92 = 282,183.12/x
  3. Step 3: Cross multiply
    497,071.26x = 685,933.92 × 282,183.12
  4. Step 4: Simplify right side
    497,071.26x = 193,558,973,659.43
  5. Step 5: Solve for x
    x = 193,558,973,659.43/497,071.26
  6. Step 6: Final answer
    x = 389,398.84

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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.