Finding the Fourth Proportional to 658,616.21, 987,251.36 and 373,704.89
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Solution
The fourth proportional to 658,616.21, 987,251.36 and 373,704.89 is: 560,175.49
Step by Step Solution
- Step 1: Write the proportion equation
658,616.21 : 987,251.36 = 373,704.89 : x - Step 2: Convert to fraction form
658,616.21/987,251.36 = 373,704.89/x - Step 3: Cross multiply
658,616.21x = 987,251.36 × 373,704.89 - Step 4: Simplify right side
658,616.21x = 368,940,654,086.37 - Step 5: Solve for x
x = 368,940,654,086.37/658,616.21 - Step 6: Final answer
x = 560,175.49
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1.5x scale
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.