Finding the Fourth Proportional to 609,996.76, 914,153.66 and 440,163.88
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Solution
The fourth proportional to 609,996.76, 914,153.66 and 440,163.88 is: 659,638.62
Step by Step Solution
- Step 1: Write the proportion equation
609,996.76 : 914,153.66 = 440,163.88 : x - Step 2: Convert to fraction form
609,996.76/914,153.66 = 440,163.88/x - Step 3: Cross multiply
609,996.76x = 914,153.66 × 440,163.88 - Step 4: Simplify right side
609,996.76x = 402,377,421,901.80 - Step 5: Solve for x
x = 402,377,421,901.80/609,996.76 - Step 6: Final answer
x = 659,638.62
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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.