Finding the Fourth Proportional to 701,749.13, 1,052,220.76 and 274,785.05
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Solution
The fourth proportional to 701,749.13, 1,052,220.76 and 274,785.05 is: 412,019.79
Step by Step Solution
- Step 1: Write the proportion equation
701,749.13 : 1,052,220.76 = 274,785.05 : x - Step 2: Convert to fraction form
701,749.13/1,052,220.76 = 274,785.05/x - Step 3: Cross multiply
701,749.13x = 1,052,220.76 × 274,785.05 - Step 4: Simplify right side
701,749.13x = 289,134,528,199.57 - Step 5: Solve for x
x = 289,134,528,199.57/701,749.13 - Step 6: Final answer
x = 412,019.79
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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.