Home / 853,279.20-1,279,573.20-292,024.80

Finding the Fourth Proportional to 853,279.20, 1,279,573.20 and 292,024.80

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Solution

The fourth proportional to 853,279.20, 1,279,573.20 and 292,024.80 is: 437,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,279.20 : 1,279,573.20 = 292,024.80 : x
  2. Step 2: Convert to fraction form
    853,279.20/1,279,573.20 = 292,024.80/x
  3. Step 3: Cross multiply
    853,279.20x = 1,279,573.20 × 292,024.80
  4. Step 4: Simplify right side
    853,279.20x = 373,667,107,815.36
  5. Step 5: Solve for x
    x = 373,667,107,815.36/853,279.20
  6. Step 6: Final answer
    x = 437,918.92

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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.