Finding the Fourth Proportional to 680,531.91, 1,020,797.90 and 254,100.99
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Solution
The fourth proportional to 680,531.91, 1,020,797.90 and 254,100.99 is: 381,151.50
Step by Step Solution
- Step 1: Write the proportion equation
680,531.91 : 1,020,797.90 = 254,100.99 : x - Step 2: Convert to fraction form
680,531.91/1,020,797.90 = 254,100.99/x - Step 3: Cross multiply
680,531.91x = 1,020,797.90 × 254,100.99 - Step 4: Simplify right side
680,531.91x = 259,385,755,709.42 - Step 5: Solve for x
x = 259,385,755,709.42/680,531.91 - Step 6: Final answer
x = 381,151.50
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Similar ratio
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1.5x scale
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.