Finding the Fourth Proportional to 800,126.99, 1,104,194.42 and 455,955.56
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Solution
The fourth proportional to 800,126.99, 1,104,194.42 and 455,955.56 is: 629,229.60
Step by Step Solution
- Step 1: Write the proportion equation
800,126.99 : 1,104,194.42 = 455,955.56 : x - Step 2: Convert to fraction form
800,126.99/1,104,194.42 = 455,955.56/x - Step 3: Cross multiply
800,126.99x = 1,104,194.42 × 455,955.56 - Step 4: Simplify right side
800,126.99x = 503,463,589,020.35 - Step 5: Solve for x
x = 503,463,589,020.35/800,126.99 - Step 6: Final answer
x = 629,229.60
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1.5x scale
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.