Finding the Fourth Proportional to 520,441.18, 780,129.99 and 295,326.13
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Solution
The fourth proportional to 520,441.18, 780,129.99 and 295,326.13 is: 442,687.43
Step by Step Solution
- Step 1: Write the proportion equation
520,441.18 : 780,129.99 = 295,326.13 : x - Step 2: Convert to fraction form
520,441.18/780,129.99 = 295,326.13/x - Step 3: Cross multiply
520,441.18x = 780,129.99 × 295,326.13 - Step 4: Simplify right side
520,441.18x = 230,392,770,843.64 - Step 5: Solve for x
x = 230,392,770,843.64/520,441.18 - Step 6: Final answer
x = 442,687.43
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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.