Finding the Fourth Proportional to 667,584.75, 997,711.99 and 488,048.13
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Solution
The fourth proportional to 667,584.75, 997,711.99 and 488,048.13 is: 729,392.74
Step by Step Solution
- Step 1: Write the proportion equation
667,584.75 : 997,711.99 = 488,048.13 : x - Step 2: Convert to fraction form
667,584.75/997,711.99 = 488,048.13/x - Step 3: Cross multiply
667,584.75x = 997,711.99 × 488,048.13 - Step 4: Simplify right side
667,584.75x = 486,931,469,777.96 - Step 5: Solve for x
x = 486,931,469,777.96/667,584.75 - Step 6: Final answer
x = 729,392.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.