Finding the Fourth Proportional to 615,767.92, 923,917.97 and 331,125.77
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Solution
The fourth proportional to 615,767.92, 923,917.97 and 331,125.77 is: 496,831.75
Step by Step Solution
- Step 1: Write the proportion equation
615,767.92 : 923,917.97 = 331,125.77 : x - Step 2: Convert to fraction form
615,767.92/923,917.97 = 331,125.77/x - Step 3: Cross multiply
615,767.92x = 923,917.97 × 331,125.77 - Step 4: Simplify right side
615,767.92x = 305,933,052,370.70 - Step 5: Solve for x
x = 305,933,052,370.70/615,767.92 - Step 6: Final answer
x = 496,831.75
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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.