Finding the Fourth Proportional to 716,960.15, 1,075,440.26 and 267,716.09
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Solution
The fourth proportional to 716,960.15, 1,075,440.26 and 267,716.09 is: 401,574.15
Step by Step Solution
- Step 1: Write the proportion equation
716,960.15 : 1,075,440.26 = 267,716.09 : x - Step 2: Convert to fraction form
716,960.15/1,075,440.26 = 267,716.09/x - Step 3: Cross multiply
716,960.15x = 1,075,440.26 × 267,716.09 - Step 4: Simplify right side
716,960.15x = 287,912,662,785.80 - Step 5: Solve for x
x = 287,912,662,785.80/716,960.15 - Step 6: Final answer
x = 401,574.15
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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.