Home / 853,292.67-1,279,717.52-340,936.48

Finding the Fourth Proportional to 853,292.67, 1,279,717.52 and 340,936.48

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Solution

The fourth proportional to 853,292.67, 1,279,717.52 and 340,936.48 is: 511,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,292.67 : 1,279,717.52 = 340,936.48 : x
  2. Step 2: Convert to fraction form
    853,292.67/1,279,717.52 = 340,936.48/x
  3. Step 3: Cross multiply
    853,292.67x = 1,279,717.52 × 340,936.48
  4. Step 4: Simplify right side
    853,292.67x = 436,302,386,558.09
  5. Step 5: Solve for x
    x = 436,302,386,558.09/853,292.67
  6. Step 6: Final answer
    x = 511,316.23

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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.