Finding the Fourth Proportional to 807,509.82, 1,211,452.14 and 275,035.44
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Solution
The fourth proportional to 807,509.82, 1,211,452.14 and 275,035.44 is: 412,616.99
Step by Step Solution
- Step 1: Write the proportion equation
807,509.82 : 1,211,452.14 = 275,035.44 : x - Step 2: Convert to fraction form
807,509.82/1,211,452.14 = 275,035.44/x - Step 3: Cross multiply
807,509.82x = 1,211,452.14 × 275,035.44 - Step 4: Simplify right side
807,509.82x = 333,192,272,363.84 - Step 5: Solve for x
x = 333,192,272,363.84/807,509.82 - Step 6: Final answer
x = 412,616.99
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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.