Finding the Fourth Proportional to 907,583.40, 1,361,375.10 and 276,415.20
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Solution
The fourth proportional to 907,583.40, 1,361,375.10 and 276,415.20 is: 414,622.80
Step by Step Solution
- Step 1: Write the proportion equation
907,583.40 : 1,361,375.10 = 276,415.20 : x - Step 2: Convert to fraction form
907,583.40/1,361,375.10 = 276,415.20/x - Step 3: Cross multiply
907,583.40x = 1,361,375.10 × 276,415.20 - Step 4: Simplify right side
907,583.40x = 376,304,770,541.52 - Step 5: Solve for x
x = 376,304,770,541.52/907,583.40 - Step 6: Final answer
x = 414,622.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.