Finding the Fourth Proportional to 985,888.26, 1,360,194.93 and 804,286.26
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Solution
The fourth proportional to 985,888.26, 1,360,194.93 and 804,286.26 is: 1,109,645.12
Step by Step Solution
- Step 1: Write the proportion equation
985,888.26 : 1,360,194.93 = 804,286.26 : x - Step 2: Convert to fraction form
985,888.26/1,360,194.93 = 804,286.26/x - Step 3: Cross multiply
985,888.26x = 1,360,194.93 × 804,286.26 - Step 4: Simplify right side
985,888.26x = 1,093,986,093,120.66 - Step 5: Solve for x
x = 1,093,986,093,120.66/985,888.26 - Step 6: Final answer
x = 1,109,645.12
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1.5x scale
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.