Finding the Fourth Proportional to 663,542.28, 994,715.64 and 450,382.68
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Solution
The fourth proportional to 663,542.28, 994,715.64 and 450,382.68 is: 675,168.27
Step by Step Solution
- Step 1: Write the proportion equation
663,542.28 : 994,715.64 = 450,382.68 : x - Step 2: Convert to fraction form
663,542.28/994,715.64 = 450,382.68/x - Step 3: Cross multiply
663,542.28x = 994,715.64 × 450,382.68 - Step 4: Simplify right side
663,542.28x = 448,002,695,781.12 - Step 5: Solve for x
x = 448,002,695,781.12/663,542.28 - Step 6: Final answer
x = 675,168.27
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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.