Finding the Fourth Proportional to 726,091.44, 1,089,189.18 and 193,609.68
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Solution
The fourth proportional to 726,091.44, 1,089,189.18 and 193,609.68 is: 290,428.39
Step by Step Solution
- Step 1: Write the proportion equation
726,091.44 : 1,089,189.18 = 193,609.68 : x - Step 2: Convert to fraction form
726,091.44/1,089,189.18 = 193,609.68/x - Step 3: Cross multiply
726,091.44x = 1,089,189.18 × 193,609.68 - Step 4: Simplify right side
726,091.44x = 210,877,568,599.26 - Step 5: Solve for x
x = 210,877,568,599.26/726,091.44 - Step 6: Final answer
x = 290,428.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.