Finding the Fourth Proportional to 489,125.73, 674,213.43 and 385,591.12
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Solution
The fourth proportional to 489,125.73, 674,213.43 and 385,591.12 is: 531,500.79
Step by Step Solution
- Step 1: Write the proportion equation
489,125.73 : 674,213.43 = 385,591.12 : x - Step 2: Convert to fraction form
489,125.73/674,213.43 = 385,591.12/x - Step 3: Cross multiply
489,125.73x = 674,213.43 × 385,591.12 - Step 4: Simplify right side
489,125.73x = 259,970,711,592.74 - Step 5: Solve for x
x = 259,970,711,592.74/489,125.73 - Step 6: Final answer
x = 531,500.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.