Finding the Fourth Proportional to 769,723.97, 1,062,216.41 and 430,192.22
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Solution
The fourth proportional to 769,723.97, 1,062,216.41 and 430,192.22 is: 593,663.77
Step by Step Solution
- Step 1: Write the proportion equation
769,723.97 : 1,062,216.41 = 430,192.22 : x - Step 2: Convert to fraction form
769,723.97/1,062,216.41 = 430,192.22/x - Step 3: Cross multiply
769,723.97x = 1,062,216.41 × 430,192.22 - Step 4: Simplify right side
769,723.97x = 456,957,235,538.33 - Step 5: Solve for x
x = 456,957,235,538.33/769,723.97 - Step 6: Final answer
x = 593,663.77
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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.