Finding the Fourth Proportional to 807,511.82, 1,211,455.14 and 275,037.44
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Solution
The fourth proportional to 807,511.82, 1,211,455.14 and 275,037.44 is: 412,619.99
Step by Step Solution
- Step 1: Write the proportion equation
807,511.82 : 1,211,455.14 = 275,037.44 : x - Step 2: Convert to fraction form
807,511.82/1,211,455.14 = 275,037.44/x - Step 3: Cross multiply
807,511.82x = 1,211,455.14 × 275,037.44 - Step 4: Simplify right side
807,511.82x = 333,195,520,380.44 - Step 5: Solve for x
x = 333,195,520,380.44/807,511.82 - Step 6: Final answer
x = 412,619.99
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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.