Finding the Fourth Proportional to 757,614.18, 1,045,502.42 and 418,082.46
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Solution
The fourth proportional to 757,614.18, 1,045,502.42 and 418,082.46 is: 576,950.95
Step by Step Solution
- Step 1: Write the proportion equation
757,614.18 : 1,045,502.42 = 418,082.46 : x - Step 2: Convert to fraction form
757,614.18/1,045,502.42 = 418,082.46/x - Step 3: Cross multiply
757,614.18x = 1,045,502.42 × 418,082.46 - Step 4: Simplify right side
757,614.18x = 437,106,223,689.55 - Step 5: Solve for x
x = 437,106,223,689.55/757,614.18 - Step 6: Final answer
x = 576,950.95
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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.