Finding the Fourth Proportional to 701,939.76, 968,677.02 and 396,081.06
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Solution
The fourth proportional to 701,939.76, 968,677.02 and 396,081.06 is: 546,591.95
Step by Step Solution
- Step 1: Write the proportion equation
701,939.76 : 968,677.02 = 396,081.06 : x - Step 2: Convert to fraction form
701,939.76/968,677.02 = 396,081.06/x - Step 3: Cross multiply
701,939.76x = 968,677.02 × 396,081.06 - Step 4: Simplify right side
701,939.76x = 383,674,620,879.24 - Step 5: Solve for x
x = 383,674,620,879.24/701,939.76 - Step 6: Final answer
x = 546,591.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.