Finding the Fourth Proportional to 741,043.74, 1,022,640.63 and 401,511.99
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Solution
The fourth proportional to 741,043.74, 1,022,640.63 and 401,511.99 is: 554,086.69
Step by Step Solution
- Step 1: Write the proportion equation
741,043.74 : 1,022,640.63 = 401,511.99 : x - Step 2: Convert to fraction form
741,043.74/1,022,640.63 = 401,511.99/x - Step 3: Cross multiply
741,043.74x = 1,022,640.63 × 401,511.99 - Step 4: Simplify right side
741,043.74x = 410,602,474,406.15 - Step 5: Solve for x
x = 410,602,474,406.15/741,043.74 - Step 6: Final answer
x = 554,086.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.