Home / 777,947.37-1,166,255.42-298,519.20

Finding the Fourth Proportional to 777,947.37, 1,166,255.42 and 298,519.20

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Solution

The fourth proportional to 777,947.37, 1,166,255.42 and 298,519.20 is: 447,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,947.37 : 1,166,255.42 = 298,519.20 : x
  2. Step 2: Convert to fraction form
    777,947.37/1,166,255.42 = 298,519.20/x
  3. Step 3: Cross multiply
    777,947.37x = 1,166,255.42 × 298,519.20
  4. Step 4: Simplify right side
    777,947.37x = 348,149,633,481.47
  5. Step 5: Solve for x
    x = 348,149,633,481.47/777,947.37
  6. Step 6: Final answer
    x = 447,523.38

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1.5x scale

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.