Finding the Fourth Proportional to 741,631.20, 1,114,779.60 and 727,634.40
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Solution
The fourth proportional to 741,631.20, 1,114,779.60 and 727,634.40 is: 1,093,740.37
Step by Step Solution
- Step 1: Write the proportion equation
741,631.20 : 1,114,779.60 = 727,634.40 : x - Step 2: Convert to fraction form
741,631.20/1,114,779.60 = 727,634.40/x - Step 3: Cross multiply
741,631.20x = 1,114,779.60 × 727,634.40 - Step 4: Simplify right side
741,631.20x = 811,151,985,378.24 - Step 5: Solve for x
x = 811,151,985,378.24/741,631.20 - Step 6: Final answer
x = 1,093,740.37
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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.