Finding the Fourth Proportional to 769,722.17, 1,062,213.93 and 430,190.42
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Solution
The fourth proportional to 769,722.17, 1,062,213.93 and 430,190.42 is: 593,661.29
Step by Step Solution
- Step 1: Write the proportion equation
769,722.17 : 1,062,213.93 = 430,190.42 : x - Step 2: Convert to fraction form
769,722.17/1,062,213.93 = 430,190.42/x - Step 3: Cross multiply
769,722.17x = 1,062,213.93 × 430,190.42 - Step 4: Simplify right side
769,722.17x = 456,954,256,676.55 - Step 5: Solve for x
x = 456,954,256,676.55/769,722.17 - Step 6: Final answer
x = 593,661.29
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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.