Finding the Fourth Proportional to 935,249.28, 1,403,081.76 and 436,341.12
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Solution
The fourth proportional to 935,249.28, 1,403,081.76 and 436,341.12 is: 654,608.65
Step by Step Solution
- Step 1: Write the proportion equation
935,249.28 : 1,403,081.76 = 436,341.12 : x - Step 2: Convert to fraction form
935,249.28/1,403,081.76 = 436,341.12/x - Step 3: Cross multiply
935,249.28x = 1,403,081.76 × 436,341.12 - Step 4: Simplify right side
935,249.28x = 612,222,266,609.97 - Step 5: Solve for x
x = 612,222,266,609.97/935,249.28 - Step 6: Final answer
x = 654,608.65
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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.