Finding the Fourth Proportional to 856,350.87, 1,181,836.18 and 474,413.19
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Solution
The fourth proportional to 856,350.87, 1,181,836.18 and 474,413.19 is: 654,730.08
Step by Step Solution
- Step 1: Write the proportion equation
856,350.87 : 1,181,836.18 = 474,413.19 : x - Step 2: Convert to fraction form
856,350.87/1,181,836.18 = 474,413.19/x - Step 3: Cross multiply
856,350.87x = 1,181,836.18 × 474,413.19 - Step 4: Simplify right side
856,350.87x = 560,678,672,211.21 - Step 5: Solve for x
x = 560,678,672,211.21/856,350.87 - Step 6: Final answer
x = 654,730.08
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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.