Finding the Fourth Proportional to 826,738.44, 1,239,624.99 and 320,708.12
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Solution
The fourth proportional to 826,738.44, 1,239,624.99 and 320,708.12 is: 480,874.94
Step by Step Solution
- Step 1: Write the proportion equation
826,738.44 : 1,239,624.99 = 320,708.12 : x - Step 2: Convert to fraction form
826,738.44/1,239,624.99 = 320,708.12/x - Step 3: Cross multiply
826,738.44x = 1,239,624.99 × 320,708.12 - Step 4: Simplify right side
826,738.44x = 397,557,793,849.79 - Step 5: Solve for x
x = 397,557,793,849.79/826,738.44 - Step 6: Final answer
x = 480,874.94
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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.