Finding the Fourth Proportional to 790,896.18, 1,186,343.94 and 317,581.38
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Solution
The fourth proportional to 790,896.18, 1,186,343.94 and 317,581.38 is: 476,371.94
Step by Step Solution
- Step 1: Write the proportion equation
790,896.18 : 1,186,343.94 = 317,581.38 : x - Step 2: Convert to fraction form
790,896.18/1,186,343.94 = 317,581.38/x - Step 3: Cross multiply
790,896.18x = 1,186,343.94 × 317,581.38 - Step 4: Simplify right side
790,896.18x = 376,760,745,619.84 - Step 5: Solve for x
x = 376,760,745,619.84/790,896.18 - Step 6: Final answer
x = 476,371.94
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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.