Finding the Fourth Proportional to 807,481.17, 1,211,409.33 and 275,006.74
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Solution
The fourth proportional to 807,481.17, 1,211,409.33 and 275,006.74 is: 412,573.99
Step by Step Solution
- Step 1: Write the proportion equation
807,481.17 : 1,211,409.33 = 275,006.74 : x - Step 2: Convert to fraction form
807,481.17/1,211,409.33 = 275,006.74/x - Step 3: Cross multiply
807,481.17x = 1,211,409.33 × 275,006.74 - Step 4: Simplify right side
807,481.17x = 333,145,730,648.88 - Step 5: Solve for x
x = 333,145,730,648.88/807,481.17 - Step 6: Final answer
x = 412,573.99
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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.