Finding the Fourth Proportional to 733,809.80, 1,100,714.70 and 313,905.80
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Solution
The fourth proportional to 733,809.80, 1,100,714.70 and 313,905.80 is: 470,858.70
Step by Step Solution
- Step 1: Write the proportion equation
733,809.80 : 1,100,714.70 = 313,905.80 : x - Step 2: Convert to fraction form
733,809.80/1,100,714.70 = 313,905.80/x - Step 3: Cross multiply
733,809.80x = 1,100,714.70 × 313,905.80 - Step 4: Simplify right side
733,809.80x = 345,520,728,475.26 - Step 5: Solve for x
x = 345,520,728,475.26/733,809.80 - Step 6: Final answer
x = 470,858.70
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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.