Finding the Fourth Proportional to 744,310.62, 1,027,126.71 and 422,050.14
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Solution
The fourth proportional to 744,310.62, 1,027,126.71 and 422,050.14 is: 582,416.75
Step by Step Solution
- Step 1: Write the proportion equation
744,310.62 : 1,027,126.71 = 422,050.14 : x - Step 2: Convert to fraction form
744,310.62/1,027,126.71 = 422,050.14/x - Step 3: Cross multiply
744,310.62x = 1,027,126.71 × 422,050.14 - Step 4: Simplify right side
744,310.62x = 433,498,971,753.24 - Step 5: Solve for x
x = 433,498,971,753.24/744,310.62 - Step 6: Final answer
x = 582,416.75
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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.