Finding the Fourth Proportional to 763,380.24, 1,144,982.88 and 202,458.48
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Solution
The fourth proportional to 763,380.24, 1,144,982.88 and 202,458.48 is: 303,664.52
Step by Step Solution
- Step 1: Write the proportion equation
763,380.24 : 1,144,982.88 = 202,458.48 : x - Step 2: Convert to fraction form
763,380.24/1,144,982.88 = 202,458.48/x - Step 3: Cross multiply
763,380.24x = 1,144,982.88 × 202,458.48 - Step 4: Simplify right side
763,380.24x = 231,811,493,510.82 - Step 5: Solve for x
x = 231,811,493,510.82/763,380.24 - Step 6: Final answer
x = 303,664.52
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1.5x scale
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.