Finding the Fourth Proportional to 755,814.62, 1,133,998.14 and 351,193.70
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Solution
The fourth proportional to 755,814.62, 1,133,998.14 and 351,193.70 is: 526,918.89
Step by Step Solution
- Step 1: Write the proportion equation
755,814.62 : 1,133,998.14 = 351,193.70 : x - Step 2: Convert to fraction form
755,814.62/1,133,998.14 = 351,193.70/x - Step 3: Cross multiply
755,814.62x = 1,133,998.14 × 351,193.70 - Step 4: Simplify right side
755,814.62x = 398,253,002,579.72 - Step 5: Solve for x
x = 398,253,002,579.72/755,814.62 - Step 6: Final answer
x = 526,918.89
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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.