Finding the Fourth Proportional to 777,603.75, 1,166,472.45 and 216,638.25
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Solution
The fourth proportional to 777,603.75, 1,166,472.45 and 216,638.25 is: 324,975.99
Step by Step Solution
- Step 1: Write the proportion equation
777,603.75 : 1,166,472.45 = 216,638.25 : x - Step 2: Convert to fraction form
777,603.75/1,166,472.45 = 216,638.25/x - Step 3: Cross multiply
777,603.75x = 1,166,472.45 × 216,638.25 - Step 4: Simplify right side
777,603.75x = 252,702,550,241.21 - Step 5: Solve for x
x = 252,702,550,241.21/777,603.75 - Step 6: Final answer
x = 324,975.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.