Finding the Fourth Proportional to 831,609.23, 1,247,567.67 and 263,133.43
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Solution
The fourth proportional to 831,609.23, 1,247,567.67 and 263,133.43 is: 394,748.82
Step by Step Solution
- Step 1: Write the proportion equation
831,609.23 : 1,247,567.67 = 263,133.43 : x - Step 2: Convert to fraction form
831,609.23/1,247,567.67 = 263,133.43/x - Step 3: Cross multiply
831,609.23x = 1,247,567.67 × 263,133.43 - Step 4: Simplify right side
831,609.23x = 328,276,760,164.21 - Step 5: Solve for x
x = 328,276,760,164.21/831,609.23 - Step 6: Final answer
x = 394,748.82
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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.