Finding the Fourth Proportional to 641,724.75, 885,813.44 and 373,452.75
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Solution
The fourth proportional to 641,724.75, 885,813.44 and 373,452.75 is: 515,500.55
Step by Step Solution
- Step 1: Write the proportion equation
641,724.75 : 885,813.44 = 373,452.75 : x - Step 2: Convert to fraction form
641,724.75/885,813.44 = 373,452.75/x - Step 3: Cross multiply
641,724.75x = 885,813.44 × 373,452.75 - Step 4: Simplify right side
641,724.75x = 330,809,463,287.70 - Step 5: Solve for x
x = 330,809,463,287.70/641,724.75 - Step 6: Final answer
x = 515,500.55
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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.