Finding the Fourth Proportional to 748,812.26, 1,033,241.46 and 426,528.74
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Solution
The fourth proportional to 748,812.26, 1,033,241.46 and 426,528.74 is: 588,541.62
Step by Step Solution
- Step 1: Write the proportion equation
748,812.26 : 1,033,241.46 = 426,528.74 : x - Step 2: Convert to fraction form
748,812.26/1,033,241.46 = 426,528.74/x - Step 3: Cross multiply
748,812.26x = 1,033,241.46 × 426,528.74 - Step 4: Simplify right side
748,812.26x = 440,707,178,049.56 - Step 5: Solve for x
x = 440,707,178,049.56/748,812.26 - Step 6: Final answer
x = 588,541.62
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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.