Finding the Fourth Proportional to 445,509.40, 667,097.70 and 326,536.60
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Solution
The fourth proportional to 445,509.40, 667,097.70 and 326,536.60 is: 488,949.99
Step by Step Solution
- Step 1: Write the proportion equation
445,509.40 : 667,097.70 = 326,536.60 : x - Step 2: Convert to fraction form
445,509.40/667,097.70 = 326,536.60/x - Step 3: Cross multiply
445,509.40x = 667,097.70 × 326,536.60 - Step 4: Simplify right side
445,509.40x = 217,831,814,825.82 - Step 5: Solve for x
x = 217,831,814,825.82/445,509.40 - Step 6: Final answer
x = 488,949.99
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1.5x scale
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.