Finding the Fourth Proportional to 574,861.26, 793,309.98 and 345,422.38
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Solution
The fourth proportional to 574,861.26, 793,309.98 and 345,422.38 is: 476,683.75
Step by Step Solution
- Step 1: Write the proportion equation
574,861.26 : 793,309.98 = 345,422.38 : x - Step 2: Convert to fraction form
574,861.26/793,309.98 = 345,422.38/x - Step 3: Cross multiply
574,861.26x = 793,309.98 × 345,422.38 - Step 4: Simplify right side
574,861.26x = 274,027,019,691.68 - Step 5: Solve for x
x = 274,027,019,691.68/574,861.26 - Step 6: Final answer
x = 476,683.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.