Finding the Fourth Proportional to 782,785.95, 1,173,175.53 and 681,161.70
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Solution
The fourth proportional to 782,785.95, 1,173,175.53 and 681,161.70 is: 1,020,869.42
Step by Step Solution
- Step 1: Write the proportion equation
782,785.95 : 1,173,175.53 = 681,161.70 : x - Step 2: Convert to fraction form
782,785.95/1,173,175.53 = 681,161.70/x - Step 3: Cross multiply
782,785.95x = 1,173,175.53 × 681,161.70 - Step 4: Simplify right side
782,785.95x = 799,122,238,413.20 - Step 5: Solve for x
x = 799,122,238,413.20/782,785.95 - Step 6: Final answer
x = 1,020,869.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.