Finding the Fourth Proportional to 933,611.36, 1,288,391.44 and 531,229.28
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Solution
The fourth proportional to 933,611.36, 1,288,391.44 and 531,229.28 is: 733,100.82
Step by Step Solution
- Step 1: Write the proportion equation
933,611.36 : 1,288,391.44 = 531,229.28 : x - Step 2: Convert to fraction form
933,611.36/1,288,391.44 = 531,229.28/x - Step 3: Cross multiply
933,611.36x = 1,288,391.44 × 531,229.28 - Step 4: Simplify right side
933,611.36x = 684,431,257,029.36 - Step 5: Solve for x
x = 684,431,257,029.36/933,611.36 - Step 6: Final answer
x = 733,100.82
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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.