Finding the Fourth Proportional to 613,524.56, 846,655.84 and 355,436.68
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Solution
The fourth proportional to 613,524.56, 846,655.84 and 355,436.68 is: 490,497.95
Step by Step Solution
- Step 1: Write the proportion equation
613,524.56 : 846,655.84 = 355,436.68 : x - Step 2: Convert to fraction form
613,524.56/846,655.84 = 355,436.68/x - Step 3: Cross multiply
613,524.56x = 846,655.84 × 355,436.68 - Step 4: Simplify right side
613,524.56x = 300,932,540,872.21 - Step 5: Solve for x
x = 300,932,540,872.21/613,524.56 - Step 6: Final answer
x = 490,497.95
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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.