Home / 724,198.70-1,086,427.65-303,517.10

Finding the Fourth Proportional to 724,198.70, 1,086,427.65 and 303,517.10

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Solution

The fourth proportional to 724,198.70, 1,086,427.65 and 303,517.10 is: 455,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,198.70 : 1,086,427.65 = 303,517.10 : x
  2. Step 2: Convert to fraction form
    724,198.70/1,086,427.65 = 303,517.10/x
  3. Step 3: Cross multiply
    724,198.70x = 1,086,427.65 × 303,517.10
  4. Step 4: Simplify right side
    724,198.70x = 329,749,369,687.82
  5. Step 5: Solve for x
    x = 329,749,369,687.82/724,198.70
  6. Step 6: Final answer
    x = 455,329.97

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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.