Finding the Fourth Proportional to 672,638.82, 927,716.69 and 430,944.03
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Solution
The fourth proportional to 672,638.82, 927,716.69 and 430,944.03 is: 594,366.49
Step by Step Solution
- Step 1: Write the proportion equation
672,638.82 : 927,716.69 = 430,944.03 : x - Step 2: Convert to fraction form
672,638.82/927,716.69 = 430,944.03/x - Step 3: Cross multiply
672,638.82x = 927,716.69 × 430,944.03 - Step 4: Simplify right side
672,638.82x = 399,793,970,164.22 - Step 5: Solve for x
x = 399,793,970,164.22/672,638.82 - Step 6: Final answer
x = 594,366.49
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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.