Finding the Fourth Proportional to 516,859.74, 773,630.82 and 276,372.99
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Solution
The fourth proportional to 516,859.74, 773,630.82 and 276,372.99 is: 413,672.50
Step by Step Solution
- Step 1: Write the proportion equation
516,859.74 : 773,630.82 = 276,372.99 : x - Step 2: Convert to fraction form
516,859.74/773,630.82 = 276,372.99/x - Step 3: Cross multiply
516,859.74x = 773,630.82 × 276,372.99 - Step 4: Simplify right side
516,859.74x = 213,810,662,879.55 - Step 5: Solve for x
x = 213,810,662,879.55/516,859.74 - Step 6: Final answer
x = 413,672.50
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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.