Finding the Fourth Proportional to 823,413.11, 1,136,309.92 and 460,836.95
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Solution
The fourth proportional to 823,413.11, 1,136,309.92 and 460,836.95 is: 635,954.89
Step by Step Solution
- Step 1: Write the proportion equation
823,413.11 : 1,136,309.92 = 460,836.95 : x - Step 2: Convert to fraction form
823,413.11/1,136,309.92 = 460,836.95/x - Step 3: Cross multiply
823,413.11x = 1,136,309.92 × 460,836.95 - Step 4: Simplify right side
823,413.11x = 523,653,599,476.23 - Step 5: Solve for x
x = 523,653,599,476.23/823,413.11 - Step 6: Final answer
x = 635,954.89
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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.