Finding the Fourth Proportional to 703,453.92, 970,767.26 and 381,163.76
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Solution
The fourth proportional to 703,453.92, 970,767.26 and 381,163.76 is: 526,006.45
Step by Step Solution
- Step 1: Write the proportion equation
703,453.92 : 970,767.26 = 381,163.76 : x - Step 2: Convert to fraction form
703,453.92/970,767.26 = 381,163.76/x - Step 3: Cross multiply
703,453.92x = 970,767.26 × 381,163.76 - Step 4: Simplify right side
703,453.92x = 370,021,298,906.50 - Step 5: Solve for x
x = 370,021,298,906.50/703,453.92 - Step 6: Final answer
x = 526,006.45
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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.