Home / 755,004.87-1,042,571.25-513,863.52

Finding the Fourth Proportional to 755,004.87, 1,042,571.25 and 513,863.52

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Solution

The fourth proportional to 755,004.87, 1,042,571.25 and 513,863.52 is: 709,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,004.87 : 1,042,571.25 = 513,863.52 : x
  2. Step 2: Convert to fraction form
    755,004.87/1,042,571.25 = 513,863.52/x
  3. Step 3: Cross multiply
    755,004.87x = 1,042,571.25 × 513,863.52
  4. Step 4: Simplify right side
    755,004.87x = 535,739,332,375.80
  5. Step 5: Solve for x
    x = 535,739,332,375.80/755,004.87
  6. Step 6: Final answer
    x = 709,583.94

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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.