Finding the Fourth Proportional to 770,400.26, 1,156,125.30 and 271,764.26
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Solution
The fourth proportional to 770,400.26, 1,156,125.30 and 271,764.26 is: 407,831.56
Step by Step Solution
- Step 1: Write the proportion equation
770,400.26 : 1,156,125.30 = 271,764.26 : x - Step 2: Convert to fraction form
770,400.26/1,156,125.30 = 271,764.26/x - Step 3: Cross multiply
770,400.26x = 1,156,125.30 × 271,764.26 - Step 4: Simplify right side
770,400.26x = 314,193,536,621.78 - Step 5: Solve for x
x = 314,193,536,621.78/770,400.26 - Step 6: Final answer
x = 407,831.56
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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.