Finding the Fourth Proportional to 957,891.36, 1,321,916.69 and 585,414.63
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Solution
The fourth proportional to 957,891.36, 1,321,916.69 and 585,414.63 is: 807,888.46
Step by Step Solution
- Step 1: Write the proportion equation
957,891.36 : 1,321,916.69 = 585,414.63 : x - Step 2: Convert to fraction form
957,891.36/1,321,916.69 = 585,414.63/x - Step 3: Cross multiply
957,891.36x = 1,321,916.69 × 585,414.63 - Step 4: Simplify right side
957,891.36x = 773,869,371,430.71 - Step 5: Solve for x
x = 773,869,371,430.71/957,891.36 - Step 6: Final answer
x = 807,888.46
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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.