Finding the Fourth Proportional to 810,125.97, 1,117,968.53 and 447,573.21
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Solution
The fourth proportional to 810,125.97, 1,117,968.53 and 447,573.21 is: 617,648.09
Step by Step Solution
- Step 1: Write the proportion equation
810,125.97 : 1,117,968.53 = 447,573.21 : x - Step 2: Convert to fraction form
810,125.97/1,117,968.53 = 447,573.21/x - Step 3: Cross multiply
810,125.97x = 1,117,968.53 × 447,573.21 - Step 4: Simplify right side
810,125.97x = 500,372,761,413.22 - Step 5: Solve for x
x = 500,372,761,413.22/810,125.97 - Step 6: Final answer
x = 617,648.09
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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.