Finding the Fourth Proportional to 673,245.14, 1,008,995.18 and 273,421.44
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Solution
The fourth proportional to 673,245.14, 1,008,995.18 and 273,421.44 is: 409,777.81
Step by Step Solution
- Step 1: Write the proportion equation
673,245.14 : 1,008,995.18 = 273,421.44 : x - Step 2: Convert to fraction form
673,245.14/1,008,995.18 = 273,421.44/x - Step 3: Cross multiply
673,245.14x = 1,008,995.18 × 273,421.44 - Step 4: Simplify right side
673,245.14x = 275,880,913,701.55 - Step 5: Solve for x
x = 275,880,913,701.55/673,245.14 - Step 6: Final answer
x = 409,777.81
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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.