Finding the Fourth Proportional to 769,722.69, 1,062,214.64 and 430,190.94
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Solution
The fourth proportional to 769,722.69, 1,062,214.64 and 430,190.94 is: 593,662.01
Step by Step Solution
- Step 1: Write the proportion equation
769,722.69 : 1,062,214.64 = 430,190.94 : x - Step 2: Convert to fraction form
769,722.69/1,062,214.64 = 430,190.94/x - Step 3: Cross multiply
769,722.69x = 1,062,214.64 × 430,190.94 - Step 4: Simplify right side
769,722.69x = 456,955,114,353.79 - Step 5: Solve for x
x = 456,955,114,353.79/769,722.69 - Step 6: Final answer
x = 593,662.01
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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.