Finding the Fourth Proportional to 823,413.62, 1,136,310.61 and 460,837.46
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Solution
The fourth proportional to 823,413.62, 1,136,310.61 and 460,837.46 is: 635,955.59
Step by Step Solution
- Step 1: Write the proportion equation
823,413.62 : 1,136,310.61 = 460,837.46 : x - Step 2: Convert to fraction form
823,413.62/1,136,310.61 = 460,837.46/x - Step 3: Cross multiply
823,413.62x = 1,136,310.61 × 460,837.46 - Step 4: Simplify right side
823,413.62x = 523,654,487,297.71 - Step 5: Solve for x
x = 523,654,487,297.71/823,413.62 - Step 6: Final answer
x = 635,955.59
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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.