Finding the Fourth Proportional to 860,747.70, 1,291,193.81 and 261,714.04
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Solution
The fourth proportional to 860,747.70, 1,291,193.81 and 261,714.04 is: 392,593.03
Step by Step Solution
- Step 1: Write the proportion equation
860,747.70 : 1,291,193.81 = 261,714.04 : x - Step 2: Convert to fraction form
860,747.70/1,291,193.81 = 261,714.04/x - Step 3: Cross multiply
860,747.70x = 1,291,193.81 × 261,714.04 - Step 4: Simplify right side
860,747.70x = 337,923,548,438.09 - Step 5: Solve for x
x = 337,923,548,438.09/860,747.70 - Step 6: Final answer
x = 392,593.03
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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.