Finding the Fourth Proportional to 504,358.60, 756,390.28 and 415,391.44
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Solution
The fourth proportional to 504,358.60, 756,390.28 and 415,391.44 is: 622,965.58
Step by Step Solution
- Step 1: Write the proportion equation
504,358.60 : 756,390.28 = 415,391.44 : x - Step 2: Convert to fraction form
504,358.60/756,390.28 = 415,391.44/x - Step 3: Cross multiply
504,358.60x = 756,390.28 × 415,391.44 - Step 4: Simplify right side
504,358.60x = 314,198,047,611.20 - Step 5: Solve for x
x = 314,198,047,611.20/504,358.60 - Step 6: Final answer
x = 622,965.58
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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.