Finding the Fourth Proportional to 655,909.44, 905,202.09 and 365,540.55
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Solution
The fourth proportional to 655,909.44, 905,202.09 and 365,540.55 is: 504,472.19
Step by Step Solution
- Step 1: Write the proportion equation
655,909.44 : 905,202.09 = 365,540.55 : x - Step 2: Convert to fraction form
655,909.44/905,202.09 = 365,540.55/x - Step 3: Cross multiply
655,909.44x = 905,202.09 × 365,540.55 - Step 4: Simplify right side
655,909.44x = 330,888,069,839.75 - Step 5: Solve for x
x = 330,888,069,839.75/655,909.44 - Step 6: Final answer
x = 504,472.19
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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.