Finding the Fourth Proportional to 819,138.35, 1,227,819.97 and 419,230.82
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Solution
The fourth proportional to 819,138.35, 1,227,819.97 and 419,230.82 is: 628,391.99
Step by Step Solution
- Step 1: Write the proportion equation
819,138.35 : 1,227,819.97 = 419,230.82 : x - Step 2: Convert to fraction form
819,138.35/1,227,819.97 = 419,230.82/x - Step 3: Cross multiply
819,138.35x = 1,227,819.97 × 419,230.82 - Step 4: Simplify right side
819,138.35x = 514,739,975,643.01 - Step 5: Solve for x
x = 514,739,975,643.01/819,138.35 - Step 6: Final answer
x = 628,391.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.