Finding the Fourth Proportional to 775,610.55, 1,163,421.66 and 270,170.70
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Solution
The fourth proportional to 775,610.55, 1,163,421.66 and 270,170.70 is: 405,258.09
Step by Step Solution
- Step 1: Write the proportion equation
775,610.55 : 1,163,421.66 = 270,170.70 : x - Step 2: Convert to fraction form
775,610.55/1,163,421.66 = 270,170.70/x - Step 3: Cross multiply
775,610.55x = 1,163,421.66 × 270,170.70 - Step 4: Simplify right side
775,610.55x = 314,322,446,828.41 - Step 5: Solve for x
x = 314,322,446,828.41/775,610.55 - Step 6: Final answer
x = 405,258.09
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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.