Finding the Fourth Proportional to 737,420.56, 1,017,737.38 and 415,193.48
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Solution
The fourth proportional to 737,420.56, 1,017,737.38 and 415,193.48 is: 573,021.62
Step by Step Solution
- Step 1: Write the proportion equation
737,420.56 : 1,017,737.38 = 415,193.48 : x - Step 2: Convert to fraction form
737,420.56/1,017,737.38 = 415,193.48/x - Step 3: Cross multiply
737,420.56x = 1,017,737.38 × 415,193.48 - Step 4: Simplify right side
737,420.56x = 422,557,924,528.28 - Step 5: Solve for x
x = 422,557,924,528.28/737,420.56 - Step 6: Final answer
x = 573,021.62
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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.