Finding the Fourth Proportional to 941,728.68, 1,412,830.20 and 267,809.98
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Solution
The fourth proportional to 941,728.68, 1,412,830.20 and 267,809.98 is: 401,782.42
Step by Step Solution
- Step 1: Write the proportion equation
941,728.68 : 1,412,830.20 = 267,809.98 : x - Step 2: Convert to fraction form
941,728.68/1,412,830.20 = 267,809.98/x - Step 3: Cross multiply
941,728.68x = 1,412,830.20 × 267,809.98 - Step 4: Simplify right side
941,728.68x = 378,370,027,605.40 - Step 5: Solve for x
x = 378,370,027,605.40/941,728.68 - Step 6: Final answer
x = 401,782.42
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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.