Finding the Fourth Proportional to 616,413.20, 850,912.05 and 374,772.92
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Solution
The fourth proportional to 616,413.20, 850,912.05 and 374,772.92 is: 517,345.82
Step by Step Solution
- Step 1: Write the proportion equation
616,413.20 : 850,912.05 = 374,772.92 : x - Step 2: Convert to fraction form
616,413.20/850,912.05 = 374,772.92/x - Step 3: Cross multiply
616,413.20x = 850,912.05 × 374,772.92 - Step 4: Simplify right side
616,413.20x = 318,898,790,792.52 - Step 5: Solve for x
x = 318,898,790,792.52/616,413.20 - Step 6: Final answer
x = 517,345.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.