Finding the Fourth Proportional to 494,117.70, 741,176.55 and 429,163.80
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Solution
The fourth proportional to 494,117.70, 741,176.55 and 429,163.80 is: 643,745.70
Step by Step Solution
- Step 1: Write the proportion equation
494,117.70 : 741,176.55 = 429,163.80 : x - Step 2: Convert to fraction form
494,117.70/741,176.55 = 429,163.80/x - Step 3: Cross multiply
494,117.70x = 741,176.55 × 429,163.80 - Step 4: Simplify right side
494,117.70x = 318,086,144,668.89 - Step 5: Solve for x
x = 318,086,144,668.89/494,117.70 - Step 6: Final answer
x = 643,745.70
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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.