Finding the Fourth Proportional to 635,869.44, 877,282.79 and 394,063.79
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Solution
The fourth proportional to 635,869.44, 877,282.79 and 394,063.79 is: 543,673.52
Step by Step Solution
- Step 1: Write the proportion equation
635,869.44 : 877,282.79 = 394,063.79 : x - Step 2: Convert to fraction form
635,869.44/877,282.79 = 394,063.79/x - Step 3: Cross multiply
635,869.44x = 877,282.79 × 394,063.79 - Step 4: Simplify right side
635,869.44x = 345,705,374,772.44 - Step 5: Solve for x
x = 345,705,374,772.44/635,869.44 - Step 6: Final answer
x = 543,673.52
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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.