Finding the Fourth Proportional to 853,425.44, 1,177,720.08 and 471,444.20
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Solution
The fourth proportional to 853,425.44, 1,177,720.08 and 471,444.20 is: 650,589.11
Step by Step Solution
- Step 1: Write the proportion equation
853,425.44 : 1,177,720.08 = 471,444.20 : x - Step 2: Convert to fraction form
853,425.44/1,177,720.08 = 471,444.20/x - Step 3: Cross multiply
853,425.44x = 1,177,720.08 × 471,444.20 - Step 4: Simplify right side
853,425.44x = 555,229,300,939.54 - Step 5: Solve for x
x = 555,229,300,939.54/853,425.44 - Step 6: Final answer
x = 650,589.11
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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.