Finding the Fourth Proportional to 834,163.80, 1,251,245.70 and 729,187.80
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Solution
The fourth proportional to 834,163.80, 1,251,245.70 and 729,187.80 is: 1,093,781.70
Step by Step Solution
- Step 1: Write the proportion equation
834,163.80 : 1,251,245.70 = 729,187.80 : x - Step 2: Convert to fraction form
834,163.80/1,251,245.70 = 729,187.80/x - Step 3: Cross multiply
834,163.80x = 1,251,245.70 × 729,187.80 - Step 4: Simplify right side
834,163.80x = 912,393,099,242.46 - Step 5: Solve for x
x = 912,393,099,242.46/834,163.80 - Step 6: Final answer
x = 1,093,781.70
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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.