Finding the Fourth Proportional to 744,316.62, 1,027,134.99 and 422,056.14
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Solution
The fourth proportional to 744,316.62, 1,027,134.99 and 422,056.14 is: 582,425.03
Step by Step Solution
- Step 1: Write the proportion equation
744,316.62 : 1,027,134.99 = 422,056.14 : x - Step 2: Convert to fraction form
744,316.62/1,027,134.99 = 422,056.14/x - Step 3: Cross multiply
744,316.62x = 1,027,134.99 × 422,056.14 - Step 4: Simplify right side
744,316.62x = 433,508,629,138.34 - Step 5: Solve for x
x = 433,508,629,138.34/744,316.62 - Step 6: Final answer
x = 582,425.03
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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.