Finding the Fourth Proportional to 824,163.50, 1,241,861.26 and 677,685.26
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Solution
The fourth proportional to 824,163.50, 1,241,861.26 and 677,685.26 is: 1,021,145.77
Step by Step Solution
- Step 1: Write the proportion equation
824,163.50 : 1,241,861.26 = 677,685.26 : x - Step 2: Convert to fraction form
824,163.50/1,241,861.26 = 677,685.26/x - Step 3: Cross multiply
824,163.50x = 1,241,861.26 × 677,685.26 - Step 4: Simplify right side
824,163.50x = 841,591,070,867.03 - Step 5: Solve for x
x = 841,591,070,867.03/824,163.50 - Step 6: Final answer
x = 1,021,145.77
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.