Finding the Fourth Proportional to 807,872.10, 1,211,808.15 and 246,905.70
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Solution
The fourth proportional to 807,872.10, 1,211,808.15 and 246,905.70 is: 370,358.55
Step by Step Solution
- Step 1: Write the proportion equation
807,872.10 : 1,211,808.15 = 246,905.70 : x - Step 2: Convert to fraction form
807,872.10/1,211,808.15 = 246,905.70/x - Step 3: Cross multiply
807,872.10x = 1,211,808.15 × 246,905.70 - Step 4: Simplify right side
807,872.10x = 299,202,339,541.46 - Step 5: Solve for x
x = 299,202,339,541.46/807,872.10 - Step 6: Final answer
x = 370,358.55
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Similar ratio
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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.