Finding the Fourth Proportional to 694,211.87, 1,036,704.49 and 686,696.96
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Solution
The fourth proportional to 694,211.87, 1,036,704.49 and 686,696.96 is: 1,025,482.06
Step by Step Solution
- Step 1: Write the proportion equation
694,211.87 : 1,036,704.49 = 686,696.96 : x - Step 2: Convert to fraction form
694,211.87/1,036,704.49 = 686,696.96/x - Step 3: Cross multiply
694,211.87x = 1,036,704.49 × 686,696.96 - Step 4: Simplify right side
694,211.87x = 711,901,816,744.91 - Step 5: Solve for x
x = 711,901,816,744.91/694,211.87 - Step 6: Final answer
x = 1,025,482.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.