Finding the Fourth Proportional to 984,413.21, 1,476,703.20 and 274,441.94
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Solution
The fourth proportional to 984,413.21, 1,476,703.20 and 274,441.94 is: 411,686.15
Step by Step Solution
- Step 1: Write the proportion equation
984,413.21 : 1,476,703.20 = 274,441.94 : x - Step 2: Convert to fraction form
984,413.21/1,476,703.20 = 274,441.94/x - Step 3: Cross multiply
984,413.21x = 1,476,703.20 × 274,441.94 - Step 4: Simplify right side
984,413.21x = 405,269,283,628.69 - Step 5: Solve for x
x = 405,269,283,628.69/984,413.21 - Step 6: Final answer
x = 411,686.15
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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.