Finding the Fourth Proportional to 701,197.68, 1,051,436.36 and 321,791.84
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Solution
The fourth proportional to 701,197.68, 1,051,436.36 and 321,791.84 is: 482,522.48
Step by Step Solution
- Step 1: Write the proportion equation
701,197.68 : 1,051,436.36 = 321,791.84 : x - Step 2: Convert to fraction form
701,197.68/1,051,436.36 = 321,791.84/x - Step 3: Cross multiply
701,197.68x = 1,051,436.36 × 321,791.84 - Step 4: Simplify right side
701,197.68x = 338,343,640,927.30 - Step 5: Solve for x
x = 338,343,640,927.30/701,197.68 - Step 6: Final answer
x = 482,522.48
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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.