Finding the Fourth Proportional to 957,198.85, 1,320,917.30 and 521,619.99
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Solution
The fourth proportional to 957,198.85, 1,320,917.30 and 521,619.99 is: 719,826.26
Step by Step Solution
- Step 1: Write the proportion equation
957,198.85 : 1,320,917.30 = 521,619.99 : x - Step 2: Convert to fraction form
957,198.85/1,320,917.30 = 521,619.99/x - Step 3: Cross multiply
957,198.85x = 1,320,917.30 × 521,619.99 - Step 4: Simplify right side
957,198.85x = 689,016,868,816.83 - Step 5: Solve for x
x = 689,016,868,816.83/957,198.85 - Step 6: Final answer
x = 719,826.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.