Finding the Fourth Proportional to 913,965.93, 1,371,229.16 and 408,951.99
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Solution
The fourth proportional to 913,965.93, 1,371,229.16 and 408,951.99 is: 613,553.39
Step by Step Solution
- Step 1: Write the proportion equation
913,965.93 : 1,371,229.16 = 408,951.99 : x - Step 2: Convert to fraction form
913,965.93/1,371,229.16 = 408,951.99/x - Step 3: Cross multiply
913,965.93x = 1,371,229.16 × 408,951.99 - Step 4: Simplify right side
913,965.93x = 560,766,891,683.27 - Step 5: Solve for x
x = 560,766,891,683.27/913,965.93 - Step 6: Final answer
x = 613,553.39
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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.