Finding the Fourth Proportional to 721,596.76, 995,944.38 and 435,163.48
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Solution
The fourth proportional to 721,596.76, 995,944.38 and 435,163.48 is: 600,610.54
Step by Step Solution
- Step 1: Write the proportion equation
721,596.76 : 995,944.38 = 435,163.48 : x - Step 2: Convert to fraction form
721,596.76/995,944.38 = 435,163.48/x - Step 3: Cross multiply
721,596.76x = 995,944.38 × 435,163.48 - Step 4: Simplify right side
721,596.76x = 433,398,622,287.24 - Step 5: Solve for x
x = 433,398,622,287.24/721,596.76 - Step 6: Final answer
x = 600,610.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.