Finding the Fourth Proportional to 620,525.26, 856,297.74 and 379,211.68
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Solution
The fourth proportional to 620,525.26, 856,297.74 and 379,211.68 is: 523,295.55
Step by Step Solution
- Step 1: Write the proportion equation
620,525.26 : 856,297.74 = 379,211.68 : x - Step 2: Convert to fraction form
620,525.26/856,297.74 = 379,211.68/x - Step 3: Cross multiply
620,525.26x = 856,297.74 × 379,211.68 - Step 4: Simplify right side
620,525.26x = 324,718,104,565.60 - Step 5: Solve for x
x = 324,718,104,565.60/620,525.26 - Step 6: Final answer
x = 523,295.55
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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.