Finding the Fourth Proportional to 783,082.40, 1,080,396.68 and 438,868
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Solution
The fourth proportional to 783,082.40, 1,080,396.68 and 438,868 is: 605,493.79
Step by Step Solution
- Step 1: Write the proportion equation
783,082.40 : 1,080,396.68 = 438,868 : x - Step 2: Convert to fraction form
783,082.40/1,080,396.68 = 438,868/x - Step 3: Cross multiply
783,082.40x = 1,080,396.68 × 438,868 - Step 4: Simplify right side
783,082.40x = 474,151,530,158.24 - Step 5: Solve for x
x = 474,151,530,158.24/783,082.40 - Step 6: Final answer
x = 605,493.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.