Finding the Fourth Proportional to 588,861.75, 812,629.26 and 320,589.75
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Solution
The fourth proportional to 588,861.75, 812,629.26 and 320,589.75 is: 442,413.88
Step by Step Solution
- Step 1: Write the proportion equation
588,861.75 : 812,629.26 = 320,589.75 : x - Step 2: Convert to fraction form
588,861.75/812,629.26 = 320,589.75/x - Step 3: Cross multiply
588,861.75x = 812,629.26 × 320,589.75 - Step 4: Simplify right side
588,861.75x = 260,520,611,306.09 - Step 5: Solve for x
x = 260,520,611,306.09/588,861.75 - Step 6: Final answer
x = 442,413.88
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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.