Finding the Fourth Proportional to 774,163.26, 1,068,412.66 and 430,066.12
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Solution
The fourth proportional to 774,163.26, 1,068,412.66 and 430,066.12 is: 593,528.67
Step by Step Solution
- Step 1: Write the proportion equation
774,163.26 : 1,068,412.66 = 430,066.12 : x - Step 2: Convert to fraction form
774,163.26/1,068,412.66 = 430,066.12/x - Step 3: Cross multiply
774,163.26x = 1,068,412.66 × 430,066.12 - Step 4: Simplify right side
774,163.26x = 459,488,087,245.08 - Step 5: Solve for x
x = 459,488,087,245.08/774,163.26 - Step 6: Final answer
x = 593,528.67
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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.