Home / 722,687.87-1,083,947.90-190,250.39

Finding the Fourth Proportional to 722,687.87, 1,083,947.90 and 190,250.39

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Solution

The fourth proportional to 722,687.87, 1,083,947.90 and 190,250.39 is: 285,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,687.87 : 1,083,947.90 = 190,250.39 : x
  2. Step 2: Convert to fraction form
    722,687.87/1,083,947.90 = 190,250.39/x
  3. Step 3: Cross multiply
    722,687.87x = 1,083,947.90 × 190,250.39
  4. Step 4: Simplify right side
    722,687.87x = 206,221,512,473.30
  5. Step 5: Solve for x
    x = 206,221,512,473.30/722,687.87
  6. Step 6: Final answer
    x = 285,353.50

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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.