Finding the Fourth Proportional to 491,937.37, 737,906.19 and 379,781.31
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Solution
The fourth proportional to 491,937.37, 737,906.19 and 379,781.31 is: 569,672.07
Step by Step Solution
- Step 1: Write the proportion equation
491,937.37 : 737,906.19 = 379,781.31 : x - Step 2: Convert to fraction form
491,937.37/737,906.19 = 379,781.31/x - Step 3: Cross multiply
491,937.37x = 737,906.19 × 379,781.31 - Step 4: Simplify right side
491,937.37x = 280,242,979,495.31 - Step 5: Solve for x
x = 280,242,979,495.31/491,937.37 - Step 6: Final answer
x = 569,672.07
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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.