Finding the Fourth Proportional to 914,163.70, 1,371,245.55 and 441,771.70
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Solution
The fourth proportional to 914,163.70, 1,371,245.55 and 441,771.70 is: 662,657.55
Step by Step Solution
- Step 1: Write the proportion equation
914,163.70 : 1,371,245.55 = 441,771.70 : x - Step 2: Convert to fraction form
914,163.70/1,371,245.55 = 441,771.70/x - Step 3: Cross multiply
914,163.70x = 1,371,245.55 × 441,771.70 - Step 4: Simplify right side
914,163.70x = 605,777,477,740.94 - Step 5: Solve for x
x = 605,777,477,740.94/914,163.70 - Step 6: Final answer
x = 662,657.55
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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.