Home / 815,322.91-1,222,939.38-335,429.26

Finding the Fourth Proportional to 815,322.91, 1,222,939.38 and 335,429.26

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Solution

The fourth proportional to 815,322.91, 1,222,939.38 and 335,429.26 is: 503,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,322.91 : 1,222,939.38 = 335,429.26 : x
  2. Step 2: Convert to fraction form
    815,322.91/1,222,939.38 = 335,429.26/x
  3. Step 3: Cross multiply
    815,322.91x = 1,222,939.38 × 335,429.26
  4. Step 4: Simplify right side
    815,322.91x = 410,209,651,258.26
  5. Step 5: Solve for x
    x = 410,209,651,258.26/815,322.91
  6. Step 6: Final answer
    x = 503,125.38

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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.