Finding the Fourth Proportional to 716,961.15, 1,075,441.76 and 267,717.09
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Solution
The fourth proportional to 716,961.15, 1,075,441.76 and 267,717.09 is: 401,575.65
Step by Step Solution
- Step 1: Write the proportion equation
716,961.15 : 1,075,441.76 = 267,717.09 : x - Step 2: Convert to fraction form
716,961.15/1,075,441.76 = 267,717.09/x - Step 3: Cross multiply
716,961.15x = 1,075,441.76 × 267,717.09 - Step 4: Simplify right side
716,961.15x = 287,914,138,451.68 - Step 5: Solve for x
x = 287,914,138,451.68/716,961.15 - Step 6: Final answer
x = 401,575.65
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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.