Finding the Fourth Proportional to 853,306.51, 1,177,540.50 and 471,325.09
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Solution
The fourth proportional to 853,306.51, 1,177,540.50 and 471,325.09 is: 650,416.21
Step by Step Solution
- Step 1: Write the proportion equation
853,306.51 : 1,177,540.50 = 471,325.09 : x - Step 2: Convert to fraction form
853,306.51/1,177,540.50 = 471,325.09/x - Step 3: Cross multiply
853,306.51x = 1,177,540.50 × 471,325.09 - Step 4: Simplify right side
853,306.51x = 555,004,382,141.15 - Step 5: Solve for x
x = 555,004,382,141.15/853,306.51 - Step 6: Final answer
x = 650,416.21
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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.