Finding the Fourth Proportional to 890,677.16, 1,336,004.36 and 216,759.62
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Solution
The fourth proportional to 890,677.16, 1,336,004.36 and 216,759.62 is: 325,136.66
Step by Step Solution
- Step 1: Write the proportion equation
890,677.16 : 1,336,004.36 = 216,759.62 : x - Step 2: Convert to fraction form
890,677.16/1,336,004.36 = 216,759.62/x - Step 3: Cross multiply
890,677.16x = 1,336,004.36 × 216,759.62 - Step 4: Simplify right side
890,677.16x = 289,591,797,391.94 - Step 5: Solve for x
x = 289,591,797,391.94/890,677.16 - Step 6: Final answer
x = 325,136.66
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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.