Finding the Fourth Proportional to 869,287.68, 1,304,115.84 and 270,234.24
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Solution
The fourth proportional to 869,287.68, 1,304,115.84 and 270,234.24 is: 405,408.66
Step by Step Solution
- Step 1: Write the proportion equation
869,287.68 : 1,304,115.84 = 270,234.24 : x - Step 2: Convert to fraction form
869,287.68/1,304,115.84 = 270,234.24/x - Step 3: Cross multiply
869,287.68x = 1,304,115.84 × 270,234.24 - Step 4: Simplify right side
869,287.68x = 352,416,752,894.36 - Step 5: Solve for x
x = 352,416,752,894.36/869,287.68 - Step 6: Final answer
x = 405,408.66
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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.