Finding the Fourth Proportional to 993,716.24, 1,490,542.56 and 417,644.71
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Solution
The fourth proportional to 993,716.24, 1,490,542.56 and 417,644.71 is: 626,453.70
Step by Step Solution
- Step 1: Write the proportion equation
993,716.24 : 1,490,542.56 = 417,644.71 : x - Step 2: Convert to fraction form
993,716.24/1,490,542.56 = 417,644.71/x - Step 3: Cross multiply
993,716.24x = 1,490,542.56 × 417,644.71 - Step 4: Simplify right side
993,716.24x = 622,517,211,487.50 - Step 5: Solve for x
x = 622,517,211,487.50/993,716.24 - Step 6: Final answer
x = 626,453.70
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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.