Finding the Fourth Proportional to 547,795.70, 820,138.35 and 547,795.70
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Solution
The fourth proportional to 547,795.70, 820,138.35 and 547,795.70 is: 820,138.35
Step by Step Solution
- Step 1: Write the proportion equation
547,795.70 : 820,138.35 = 547,795.70 : x - Step 2: Convert to fraction form
547,795.70/820,138.35 = 547,795.70/x - Step 3: Cross multiply
547,795.70x = 820,138.35 × 547,795.70 - Step 4: Simplify right side
547,795.70x = 449,268,261,535.10 - Step 5: Solve for x
x = 449,268,261,535.10/547,795.70 - Step 6: Final answer
x = 820,138.35
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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.