Finding the Fourth Proportional to 984,634.96, 1,476,821.18 and 274,603.54
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Solution
The fourth proportional to 984,634.96, 1,476,821.18 and 274,603.54 is: 411,868.70
Step by Step Solution
- Step 1: Write the proportion equation
984,634.96 : 1,476,821.18 = 274,603.54 : x - Step 2: Convert to fraction form
984,634.96/1,476,821.18 = 274,603.54/x - Step 3: Cross multiply
984,634.96x = 1,476,821.18 × 274,603.54 - Step 4: Simplify right side
984,634.96x = 405,540,323,974.98 - Step 5: Solve for x
x = 405,540,323,974.98/984,634.96 - Step 6: Final answer
x = 411,868.70
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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.