Home / 808,619.27-1,116,253.26-522,279

Finding the Fourth Proportional to 808,619.27, 1,116,253.26 and 522,279

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Solution

The fourth proportional to 808,619.27, 1,116,253.26 and 522,279 is: 720,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,619.27 : 1,116,253.26 = 522,279 : x
  2. Step 2: Convert to fraction form
    808,619.27/1,116,253.26 = 522,279/x
  3. Step 3: Cross multiply
    808,619.27x = 1,116,253.26 × 522,279
  4. Step 4: Simplify right side
    808,619.27x = 582,995,636,379.54
  5. Step 5: Solve for x
    x = 582,995,636,379.54/808,619.27
  6. Step 6: Final answer
    x = 720,976.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.