Home / 591,212.13-815,876.03-322,940.13

Finding the Fourth Proportional to 591,212.13, 815,876.03 and 322,940.13

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Solution

The fourth proportional to 591,212.13, 815,876.03 and 322,940.13 is: 445,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,212.13 : 815,876.03 = 322,940.13 : x
  2. Step 2: Convert to fraction form
    591,212.13/815,876.03 = 322,940.13/x
  3. Step 3: Cross multiply
    591,212.13x = 815,876.03 × 322,940.13
  4. Step 4: Simplify right side
    591,212.13x = 263,479,111,192.08
  5. Step 5: Solve for x
    x = 263,479,111,192.08/591,212.13
  6. Step 6: Final answer
    x = 445,659.18

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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.