Home / 722,828.20-1,085,279.10-565,234.60

Finding the Fourth Proportional to 722,828.20, 1,085,279.10 and 565,234.60

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Solution

The fourth proportional to 722,828.20, 1,085,279.10 and 565,234.60 is: 848,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,828.20 : 1,085,279.10 = 565,234.60 : x
  2. Step 2: Convert to fraction form
    722,828.20/1,085,279.10 = 565,234.60/x
  3. Step 3: Cross multiply
    722,828.20x = 1,085,279.10 × 565,234.60
  4. Step 4: Simplify right side
    722,828.20x = 613,437,297,976.86
  5. Step 5: Solve for x
    x = 613,437,297,976.86/722,828.20
  6. Step 6: Final answer
    x = 848,662.65

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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.