Finding the Fourth Proportional to 807,910.08, 1,211,868.16 and 246,942.40
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Solution
The fourth proportional to 807,910.08, 1,211,868.16 and 246,942.40 is: 370,414.53
Step by Step Solution
- Step 1: Write the proportion equation
807,910.08 : 1,211,868.16 = 246,942.40 : x - Step 2: Convert to fraction form
807,910.08/1,211,868.16 = 246,942.40/x - Step 3: Cross multiply
807,910.08x = 1,211,868.16 × 246,942.40 - Step 4: Simplify right side
807,910.08x = 299,261,631,913.98 - Step 5: Solve for x
x = 299,261,631,913.98/807,910.08 - Step 6: Final answer
x = 370,414.53
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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.