Home / 853,314.20-1,279,625.70-292,059.80

Finding the Fourth Proportional to 853,314.20, 1,279,625.70 and 292,059.80

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Solution

The fourth proportional to 853,314.20, 1,279,625.70 and 292,059.80 is: 437,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,314.20 : 1,279,625.70 = 292,059.80 : x
  2. Step 2: Convert to fraction form
    853,314.20/1,279,625.70 = 292,059.80/x
  3. Step 3: Cross multiply
    853,314.20x = 1,279,625.70 × 292,059.80
  4. Step 4: Simplify right side
    853,314.20x = 373,727,226,016.86
  5. Step 5: Solve for x
    x = 373,727,226,016.86/853,314.20
  6. Step 6: Final answer
    x = 437,971.41

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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.