Finding the Fourth Proportional to 828,013.50, 1,241,704.98 and 543,627.99
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Solution
The fourth proportional to 828,013.50, 1,241,704.98 and 543,627.99 is: 815,235.00
Step by Step Solution
- Step 1: Write the proportion equation
828,013.50 : 1,241,704.98 = 543,627.99 : x - Step 2: Convert to fraction form
828,013.50/1,241,704.98 = 543,627.99/x - Step 3: Cross multiply
828,013.50x = 1,241,704.98 × 543,627.99 - Step 4: Simplify right side
828,013.50x = 675,025,582,450.39 - Step 5: Solve for x
x = 675,025,582,450.39/828,013.50 - Step 6: Final answer
x = 815,235.00
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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.