Home / 775,400.26-1,163,155.86-206,778.34

Finding the Fourth Proportional to 775,400.26, 1,163,155.86 and 206,778.34

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Solution

The fourth proportional to 775,400.26, 1,163,155.86 and 206,778.34 is: 310,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,400.26 : 1,163,155.86 = 206,778.34 : x
  2. Step 2: Convert to fraction form
    775,400.26/1,163,155.86 = 206,778.34/x
  3. Step 3: Cross multiply
    775,400.26x = 1,163,155.86 × 206,778.34
  4. Step 4: Simplify right side
    775,400.26x = 240,515,437,892.07
  5. Step 5: Solve for x
    x = 240,515,437,892.07/775,400.26
  6. Step 6: Final answer
    x = 310,182.30

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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.