Finding the Fourth Proportional to 775,738.12, 1,163,237.33 and 270,236.92
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Solution
The fourth proportional to 775,738.12, 1,163,237.33 and 270,236.92 is: 405,226.53
Step by Step Solution
- Step 1: Write the proportion equation
775,738.12 : 1,163,237.33 = 270,236.92 : x - Step 2: Convert to fraction form
775,738.12/1,163,237.33 = 270,236.92/x - Step 3: Cross multiply
775,738.12x = 1,163,237.33 × 270,236.92 - Step 4: Simplify right side
775,738.12x = 314,349,667,472.04 - Step 5: Solve for x
x = 314,349,667,472.04/775,738.12 - Step 6: Final answer
x = 405,226.53
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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.