Finding the Fourth Proportional to 737,338.80, 1,104,236.40 and 420,836.16
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Solution
The fourth proportional to 737,338.80, 1,104,236.40 and 420,836.16 is: 630,242.99
Step by Step Solution
- Step 1: Write the proportion equation
737,338.80 : 1,104,236.40 = 420,836.16 : x - Step 2: Convert to fraction form
737,338.80/1,104,236.40 = 420,836.16/x - Step 3: Cross multiply
737,338.80x = 1,104,236.40 × 420,836.16 - Step 4: Simplify right side
737,338.80x = 464,702,606,308.22 - Step 5: Solve for x
x = 464,702,606,308.22/737,338.80 - Step 6: Final answer
x = 630,242.99
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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.