Finding the Fourth Proportional to 995,963.70, 1,493,751.15 and 331,115.70
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Solution
The fourth proportional to 995,963.70, 1,493,751.15 and 331,115.70 is: 496,608.92
Step by Step Solution
- Step 1: Write the proportion equation
995,963.70 : 1,493,751.15 = 331,115.70 : x - Step 2: Convert to fraction form
995,963.70/1,493,751.15 = 331,115.70/x - Step 3: Cross multiply
995,963.70x = 1,493,751.15 × 331,115.70 - Step 4: Simplify right side
995,963.70x = 494,604,457,658.06 - Step 5: Solve for x
x = 494,604,457,658.06/995,963.70 - Step 6: Final answer
x = 496,608.92
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1.5x scale
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.