Finding the Fourth Proportional to 757,657.69, 1,136,151.74 and 284,010.79
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Solution
The fourth proportional to 757,657.69, 1,136,151.74 and 284,010.79 is: 425,890.68
Step by Step Solution
- Step 1: Write the proportion equation
757,657.69 : 1,136,151.74 = 284,010.79 : x - Step 2: Convert to fraction form
757,657.69/1,136,151.74 = 284,010.79/x - Step 3: Cross multiply
757,657.69x = 1,136,151.74 × 284,010.79 - Step 4: Simplify right side
757,657.69x = 322,679,351,817.22 - Step 5: Solve for x
x = 322,679,351,817.22/757,657.69 - Step 6: Final answer
x = 425,890.68
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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.