Home / 853,923.16-1,279,773.44-347,891.44

Finding the Fourth Proportional to 853,923.16, 1,279,773.44 and 347,891.44

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Solution

The fourth proportional to 853,923.16, 1,279,773.44 and 347,891.44 is: 521,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,923.16 : 1,279,773.44 = 347,891.44 : x
  2. Step 2: Convert to fraction form
    853,923.16/1,279,773.44 = 347,891.44/x
  3. Step 3: Cross multiply
    853,923.16x = 1,279,773.44 × 347,891.44
  4. Step 4: Simplify right side
    853,923.16x = 445,222,224,915.35
  5. Step 5: Solve for x
    x = 445,222,224,915.35/853,923.16
  6. Step 6: Final answer
    x = 521,384.41

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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.