Finding the Fourth Proportional to 891,751.40, 1,336,839.77 and 682,324.28
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Solution
The fourth proportional to 891,751.40, 1,336,839.77 and 682,324.28 is: 1,022,883.99
Step by Step Solution
- Step 1: Write the proportion equation
891,751.40 : 1,336,839.77 = 682,324.28 : x - Step 2: Convert to fraction form
891,751.40/1,336,839.77 = 682,324.28/x - Step 3: Cross multiply
891,751.40x = 1,336,839.77 × 682,324.28 - Step 4: Simplify right side
891,751.40x = 912,158,228,562.23 - Step 5: Solve for x
x = 912,158,228,562.23/891,751.40 - Step 6: Final answer
x = 1,022,883.99
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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.