Finding the Fourth Proportional to 738,229.80, 1,107,344.70 and 364,981.80
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Solution
The fourth proportional to 738,229.80, 1,107,344.70 and 364,981.80 is: 547,472.70
Step by Step Solution
- Step 1: Write the proportion equation
738,229.80 : 1,107,344.70 = 364,981.80 : x - Step 2: Convert to fraction form
738,229.80/1,107,344.70 = 364,981.80/x - Step 3: Cross multiply
738,229.80x = 1,107,344.70 × 364,981.80 - Step 4: Simplify right side
738,229.80x = 404,160,661,826.46 - Step 5: Solve for x
x = 404,160,661,826.46/738,229.80 - Step 6: Final answer
x = 547,472.70
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1.5x scale
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.