Finding the Fourth Proportional to 682,413.96, 1,023,778.46 and 202,631.08
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Solution
The fourth proportional to 682,413.96, 1,023,778.46 and 202,631.08 is: 303,993.39
Step by Step Solution
- Step 1: Write the proportion equation
682,413.96 : 1,023,778.46 = 202,631.08 : x - Step 2: Convert to fraction form
682,413.96/1,023,778.46 = 202,631.08/x - Step 3: Cross multiply
682,413.96x = 1,023,778.46 × 202,631.08 - Step 4: Simplify right side
682,413.96x = 207,449,335,030.54 - Step 5: Solve for x
x = 207,449,335,030.54/682,413.96 - Step 6: Final answer
x = 303,993.39
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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.