Finding the Fourth Proportional to 618,545.10, 853,577.78 and 363,912.68
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Solution
The fourth proportional to 618,545.10, 853,577.78 and 363,912.68 is: 502,190.99
Step by Step Solution
- Step 1: Write the proportion equation
618,545.10 : 853,577.78 = 363,912.68 : x - Step 2: Convert to fraction form
618,545.10/853,577.78 = 363,912.68/x - Step 3: Cross multiply
618,545.10x = 853,577.78 × 363,912.68 - Step 4: Simplify right side
618,545.10x = 310,627,777,508.25 - Step 5: Solve for x
x = 310,627,777,508.25/618,545.10 - Step 6: Final answer
x = 502,190.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.