Finding the Fourth Proportional to 804,987.40, 1,207,481.10 and 744,161.80
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Solution
The fourth proportional to 804,987.40, 1,207,481.10 and 744,161.80 is: 1,116,242.70
Step by Step Solution
- Step 1: Write the proportion equation
804,987.40 : 1,207,481.10 = 744,161.80 : x - Step 2: Convert to fraction form
804,987.40/1,207,481.10 = 744,161.80/x - Step 3: Cross multiply
804,987.40x = 1,207,481.10 × 744,161.80 - Step 4: Simplify right side
804,987.40x = 898,561,308,841.98 - Step 5: Solve for x
x = 898,561,308,841.98/804,987.40 - Step 6: Final answer
x = 1,116,242.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.