Finding the Fourth Proportional to 641,922.48, 962,805.96 and 326,605.68
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Solution
The fourth proportional to 641,922.48, 962,805.96 and 326,605.68 is: 489,868.96
Step by Step Solution
- Step 1: Write the proportion equation
641,922.48 : 962,805.96 = 326,605.68 : x - Step 2: Convert to fraction form
641,922.48/962,805.96 = 326,605.68/x - Step 3: Cross multiply
641,922.48x = 962,805.96 × 326,605.68 - Step 4: Simplify right side
641,922.48x = 314,457,895,273.85 - Step 5: Solve for x
x = 314,457,895,273.85/641,922.48 - Step 6: Final answer
x = 489,868.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.