Finding the Fourth Proportional to 789,198.99, 1,088,846.42 and 482,956.12
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Solution
The fourth proportional to 789,198.99, 1,088,846.42 and 482,956.12 is: 666,327.57
Step by Step Solution
- Step 1: Write the proportion equation
789,198.99 : 1,088,846.42 = 482,956.12 : x - Step 2: Convert to fraction form
789,198.99/1,088,846.42 = 482,956.12/x - Step 3: Cross multiply
789,198.99x = 1,088,846.42 × 482,956.12 - Step 4: Simplify right side
789,198.99x = 525,865,042,279.09 - Step 5: Solve for x
x = 525,865,042,279.09/789,198.99 - Step 6: Final answer
x = 666,327.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.