Finding the Fourth Proportional to 741,912.68, 1,112,121.12 and 292,459.48
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Solution
The fourth proportional to 741,912.68, 1,112,121.12 and 292,459.48 is: 438,394.40
Step by Step Solution
- Step 1: Write the proportion equation
741,912.68 : 1,112,121.12 = 292,459.48 : x - Step 2: Convert to fraction form
741,912.68/1,112,121.12 = 292,459.48/x - Step 3: Cross multiply
741,912.68x = 1,112,121.12 × 292,459.48 - Step 4: Simplify right side
741,912.68x = 325,250,364,452.22 - Step 5: Solve for x
x = 325,250,364,452.22/741,912.68 - Step 6: Final answer
x = 438,394.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.