Finding the Fourth Proportional to 429,391.72, 591,585.84 and 332,261.62
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Solution
The fourth proportional to 429,391.72, 591,585.84 and 332,261.62 is: 457,766.79
Step by Step Solution
- Step 1: Write the proportion equation
429,391.72 : 591,585.84 = 332,261.62 : x - Step 2: Convert to fraction form
429,391.72/591,585.84 = 332,261.62/x - Step 3: Cross multiply
429,391.72x = 591,585.84 × 332,261.62 - Step 4: Simplify right side
429,391.72x = 196,561,269,567.46 - Step 5: Solve for x
x = 196,561,269,567.46/429,391.72 - Step 6: Final answer
x = 457,766.79
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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.