Finding the Fourth Proportional to 722,163.20, 996,619.41 and 435,677.13
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Solution
The fourth proportional to 722,163.20, 996,619.41 and 435,677.13 is: 601,255.07
Step by Step Solution
- Step 1: Write the proportion equation
722,163.20 : 996,619.41 = 435,677.13 : x - Step 2: Convert to fraction form
722,163.20/996,619.41 = 435,677.13/x - Step 3: Cross multiply
722,163.20x = 996,619.41 × 435,677.13 - Step 4: Simplify right side
722,163.20x = 434,204,284,251.09 - Step 5: Solve for x
x = 434,204,284,251.09/722,163.20 - Step 6: Final answer
x = 601,255.07
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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.