Home / 853,356.56-1,280,034.43-254,302.43

Finding the Fourth Proportional to 853,356.56, 1,280,034.43 and 254,302.43

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Solution

The fourth proportional to 853,356.56, 1,280,034.43 and 254,302.43 is: 381,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,356.56 : 1,280,034.43 = 254,302.43 : x
  2. Step 2: Convert to fraction form
    853,356.56/1,280,034.43 = 254,302.43/x
  3. Step 3: Cross multiply
    853,356.56x = 1,280,034.43 × 254,302.43
  4. Step 4: Simplify right side
    853,356.56x = 325,515,858,996.74
  5. Step 5: Solve for x
    x = 325,515,858,996.74/853,356.56
  6. Step 6: Final answer
    x = 381,453.52

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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.