Finding the Fourth Proportional to 526,914.96, 727,144.84 and 285,197.44
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Solution
The fourth proportional to 526,914.96, 727,144.84 and 285,197.44 is: 393,573.66
Step by Step Solution
- Step 1: Write the proportion equation
526,914.96 : 727,144.84 = 285,197.44 : x - Step 2: Convert to fraction form
526,914.96/727,144.84 = 285,197.44/x - Step 3: Cross multiply
526,914.96x = 727,144.84 × 285,197.44 - Step 4: Simplify right side
526,914.96x = 207,379,846,877.21 - Step 5: Solve for x
x = 207,379,846,877.21/526,914.96 - Step 6: Final answer
x = 393,573.66
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1.5x scale
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.