Home / 724,016.40-1,086,413.40-303,334.80

Finding the Fourth Proportional to 724,016.40, 1,086,413.40 and 303,334.80

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Solution

The fourth proportional to 724,016.40, 1,086,413.40 and 303,334.80 is: 455,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,016.40 : 1,086,413.40 = 303,334.80 : x
  2. Step 2: Convert to fraction form
    724,016.40/1,086,413.40 = 303,334.80/x
  3. Step 3: Cross multiply
    724,016.40x = 1,086,413.40 × 303,334.80
  4. Step 4: Simplify right side
    724,016.40x = 329,546,991,406.32
  5. Step 5: Solve for x
    x = 329,546,991,406.32/724,016.40
  6. Step 6: Final answer
    x = 455,165.09

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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.