Finding the Fourth Proportional to 870,464.87, 1,305,277.10 and 364,890.09
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Solution
The fourth proportional to 870,464.87, 1,305,277.10 and 364,890.09 is: 547,158.99
Step by Step Solution
- Step 1: Write the proportion equation
870,464.87 : 1,305,277.10 = 364,890.09 : x - Step 2: Convert to fraction form
870,464.87/1,305,277.10 = 364,890.09/x - Step 3: Cross multiply
870,464.87x = 1,305,277.10 × 364,890.09 - Step 4: Simplify right side
870,464.87x = 476,282,678,493.94 - Step 5: Solve for x
x = 476,282,678,493.94/870,464.87 - Step 6: Final answer
x = 547,158.99
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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.