Finding the Fourth Proportional to 748,843.24, 1,033,404.18 and 409,311.46
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Solution
The fourth proportional to 748,843.24, 1,033,404.18 and 409,311.46 is: 564,850.09
Step by Step Solution
- Step 1: Write the proportion equation
748,843.24 : 1,033,404.18 = 409,311.46 : x - Step 2: Convert to fraction form
748,843.24/1,033,404.18 = 409,311.46/x - Step 3: Cross multiply
748,843.24x = 1,033,404.18 × 409,311.46 - Step 4: Simplify right side
748,843.24x = 422,984,173,685.90 - Step 5: Solve for x
x = 422,984,173,685.90/748,843.24 - Step 6: Final answer
x = 564,850.09
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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.