Finding the Fourth Proportional to 565,935.26, 780,974.36 and 311,286.44
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Solution
The fourth proportional to 565,935.26, 780,974.36 and 311,286.44 is: 429,566.33
Step by Step Solution
- Step 1: Write the proportion equation
565,935.26 : 780,974.36 = 311,286.44 : x - Step 2: Convert to fraction form
565,935.26/780,974.36 = 311,286.44/x - Step 3: Cross multiply
565,935.26x = 780,974.36 × 311,286.44 - Step 4: Simplify right side
565,935.26x = 243,106,729,819.01 - Step 5: Solve for x
x = 243,106,729,819.01/565,935.26 - Step 6: Final answer
x = 429,566.33
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1.5x scale
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.