Finding the Fourth Proportional to 757,715.63, 1,045,649.81 and 413,554.73
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Solution
The fourth proportional to 757,715.63, 1,045,649.81 and 413,554.73 is: 570,706.75
Step by Step Solution
- Step 1: Write the proportion equation
757,715.63 : 1,045,649.81 = 413,554.73 : x - Step 2: Convert to fraction form
757,715.63/1,045,649.81 = 413,554.73/x - Step 3: Cross multiply
757,715.63x = 1,045,649.81 × 413,554.73 - Step 4: Simplify right side
757,715.63x = 432,433,424,849.10 - Step 5: Solve for x
x = 432,433,424,849.10/757,715.63 - Step 6: Final answer
x = 570,706.75
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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.