Finding the Fourth Proportional to 843,487.99, 1,265,230.97 and 274,868.19
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Solution
The fourth proportional to 843,487.99, 1,265,230.97 and 274,868.19 is: 412,301.95
Step by Step Solution
- Step 1: Write the proportion equation
843,487.99 : 1,265,230.97 = 274,868.19 : x - Step 2: Convert to fraction form
843,487.99/1,265,230.97 = 274,868.19/x - Step 3: Cross multiply
843,487.99x = 1,265,230.97 × 274,868.19 - Step 4: Simplify right side
843,487.99x = 347,771,746,655.84 - Step 5: Solve for x
x = 347,771,746,655.84/843,487.99 - Step 6: Final answer
x = 412,301.95
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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.