Finding the Fourth Proportional to 804,942.10, 1,207,413.15 and 568,746.10
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Solution
The fourth proportional to 804,942.10, 1,207,413.15 and 568,746.10 is: 853,119.15
Step by Step Solution
- Step 1: Write the proportion equation
804,942.10 : 1,207,413.15 = 568,746.10 : x - Step 2: Convert to fraction form
804,942.10/1,207,413.15 = 568,746.10/x - Step 3: Cross multiply
804,942.10x = 1,207,413.15 × 568,746.10 - Step 4: Simplify right side
804,942.10x = 686,711,520,151.22 - Step 5: Solve for x
x = 686,711,520,151.22/804,942.10 - Step 6: Final answer
x = 853,119.15
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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.