Finding the Fourth Proportional to 419,558.70, 579,277.26 and 322,591.98
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Solution
The fourth proportional to 419,558.70, 579,277.26 and 322,591.98 is: 445,397.03
Step by Step Solution
- Step 1: Write the proportion equation
419,558.70 : 579,277.26 = 322,591.98 : x - Step 2: Convert to fraction form
419,558.70/579,277.26 = 322,591.98/x - Step 3: Cross multiply
419,558.70x = 579,277.26 × 322,591.98 - Step 4: Simplify right side
419,558.70x = 186,870,198,272.38 - Step 5: Solve for x
x = 186,870,198,272.38/419,558.70 - Step 6: Final answer
x = 445,397.03
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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.