Finding the Fourth Proportional to 775,722.24, 1,163,213.52 and 270,221.04
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Solution
The fourth proportional to 775,722.24, 1,163,213.52 and 270,221.04 is: 405,202.73
Step by Step Solution
- Step 1: Write the proportion equation
775,722.24 : 1,163,213.52 = 270,221.04 : x - Step 2: Convert to fraction form
775,722.24/1,163,213.52 = 270,221.04/x - Step 3: Cross multiply
775,722.24x = 1,163,213.52 × 270,221.04 - Step 4: Simplify right side
775,722.24x = 314,324,767,116.46 - Step 5: Solve for x
x = 314,324,767,116.46/775,722.24 - Step 6: Final answer
x = 405,202.73
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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.