Finding the Fourth Proportional to 807,793.91, 1,211,690.88 and 246,823.55
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Solution
The fourth proportional to 807,793.91, 1,211,690.88 and 246,823.55 is: 370,235.33
Step by Step Solution
- Step 1: Write the proportion equation
807,793.91 : 1,211,690.88 = 246,823.55 : x - Step 2: Convert to fraction form
807,793.91/1,211,690.88 = 246,823.55/x - Step 3: Cross multiply
807,793.91x = 1,211,690.88 × 246,823.55 - Step 4: Simplify right side
807,793.91x = 299,073,844,504.22 - Step 5: Solve for x
x = 299,073,844,504.22/807,793.91 - Step 6: Final answer
x = 370,235.33
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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.