Home / 724,544.33-1,086,466.93-303,707.21

Finding the Fourth Proportional to 724,544.33, 1,086,466.93 and 303,707.21

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Solution

The fourth proportional to 724,544.33, 1,086,466.93 and 303,707.21 is: 455,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,544.33 : 1,086,466.93 = 303,707.21 : x
  2. Step 2: Convert to fraction form
    724,544.33/1,086,466.93 = 303,707.21/x
  3. Step 3: Cross multiply
    724,544.33x = 1,086,466.93 × 303,707.21
  4. Step 4: Simplify right side
    724,544.33x = 329,967,840,067.57
  5. Step 5: Solve for x
    x = 329,967,840,067.57/724,544.33
  6. Step 6: Final answer
    x = 455,414.29

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Double scale
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Similar ratio
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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.