Finding the Fourth Proportional to 527,524.21, 790,021.95 and 270,680.88
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Solution
The fourth proportional to 527,524.21, 790,021.95 and 270,680.88 is: 405,372.55
Step by Step Solution
- Step 1: Write the proportion equation
527,524.21 : 790,021.95 = 270,680.88 : x - Step 2: Convert to fraction form
527,524.21/790,021.95 = 270,680.88/x - Step 3: Cross multiply
527,524.21x = 790,021.95 × 270,680.88 - Step 4: Simplify right side
527,524.21x = 213,843,834,370.24 - Step 5: Solve for x
x = 213,843,834,370.24/527,524.21 - Step 6: Final answer
x = 405,372.55
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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.