Finding the Fourth Proportional to 701,909.99, 968,635.98 and 396,051.21
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Solution
The fourth proportional to 701,909.99, 968,635.98 and 396,051.21 is: 546,550.78
Step by Step Solution
- Step 1: Write the proportion equation
701,909.99 : 968,635.98 = 396,051.21 : x - Step 2: Convert to fraction form
701,909.99/968,635.98 = 396,051.21/x - Step 3: Cross multiply
701,909.99x = 968,635.98 × 396,051.21 - Step 4: Simplify right side
701,909.99x = 383,629,451,928.54 - Step 5: Solve for x
x = 383,629,451,928.54/701,909.99 - Step 6: Final answer
x = 546,550.78
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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.