Finding the Fourth Proportional to 641,794.44, 885,642.57 and 351,350.31
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Solution
The fourth proportional to 641,794.44, 885,642.57 and 351,350.31 is: 484,844.95
Step by Step Solution
- Step 1: Write the proportion equation
641,794.44 : 885,642.57 = 351,350.31 : x - Step 2: Convert to fraction form
641,794.44/885,642.57 = 351,350.31/x - Step 3: Cross multiply
641,794.44x = 885,642.57 × 351,350.31 - Step 4: Simplify right side
641,794.44x = 311,170,791,518.70 - Step 5: Solve for x
x = 311,170,791,518.70/641,794.44 - Step 6: Final answer
x = 484,844.95
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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.