Finding the Fourth Proportional to 880,661.18, 1,320,575.42 and 341,170.14
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Solution
The fourth proportional to 880,661.18, 1,320,575.42 and 341,170.14 is: 511,593.92
Step by Step Solution
- Step 1: Write the proportion equation
880,661.18 : 1,320,575.42 = 341,170.14 : x - Step 2: Convert to fraction form
880,661.18/1,320,575.42 = 341,170.14/x - Step 3: Cross multiply
880,661.18x = 1,320,575.42 × 341,170.14 - Step 4: Simplify right side
880,661.18x = 450,540,900,921.96 - Step 5: Solve for x
x = 450,540,900,921.96/880,661.18 - Step 6: Final answer
x = 511,593.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.