Finding the Fourth Proportional to 916,083.20, 1,373,480.97 and 403,505.09
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Solution
The fourth proportional to 916,083.20, 1,373,480.97 and 403,505.09 is: 604,974.05
Step by Step Solution
- Step 1: Write the proportion equation
916,083.20 : 1,373,480.97 = 403,505.09 : x - Step 2: Convert to fraction form
916,083.20/1,373,480.97 = 403,505.09/x - Step 3: Cross multiply
916,083.20x = 1,373,480.97 × 403,505.09 - Step 4: Simplify right side
916,083.20x = 554,206,562,413.14 - Step 5: Solve for x
x = 554,206,562,413.14/916,083.20 - Step 6: Final answer
x = 604,974.05
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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.