Finding the Fourth Proportional to 721,879.87, 1,082,446.03 and 384,829.99
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Solution
The fourth proportional to 721,879.87, 1,082,446.03 and 384,829.99 is: 577,045.73
Step by Step Solution
- Step 1: Write the proportion equation
721,879.87 : 1,082,446.03 = 384,829.99 : x - Step 2: Convert to fraction form
721,879.87/1,082,446.03 = 384,829.99/x - Step 3: Cross multiply
721,879.87x = 1,082,446.03 × 384,829.99 - Step 4: Simplify right side
721,879.87x = 416,557,694,900.44 - Step 5: Solve for x
x = 416,557,694,900.44/721,879.87 - Step 6: Final answer
x = 577,045.73
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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.