Finding the Fourth Proportional to 994,217.12, 1,371,550.56 and 672,039.68
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Solution
The fourth proportional to 994,217.12, 1,371,550.56 and 672,039.68 is: 927,097.69
Step by Step Solution
- Step 1: Write the proportion equation
994,217.12 : 1,371,550.56 = 672,039.68 : x - Step 2: Convert to fraction form
994,217.12/1,371,550.56 = 672,039.68/x - Step 3: Cross multiply
994,217.12x = 1,371,550.56 × 672,039.68 - Step 4: Simplify right side
994,217.12x = 921,736,399,446.22 - Step 5: Solve for x
x = 921,736,399,446.22/994,217.12 - Step 6: Final answer
x = 927,097.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.