Finding the Fourth Proportional to 853,207.83, 1,177,326.09 and 471,211.83
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Solution
The fourth proportional to 853,207.83, 1,177,326.09 and 471,211.83 is: 650,216.70
Step by Step Solution
- Step 1: Write the proportion equation
853,207.83 : 1,177,326.09 = 471,211.83 : x - Step 2: Convert to fraction form
853,207.83/1,177,326.09 = 471,211.83/x - Step 3: Cross multiply
853,207.83x = 1,177,326.09 × 471,211.83 - Step 4: Simplify right side
853,207.83x = 554,769,981,375.65 - Step 5: Solve for x
x = 554,769,981,375.65/853,207.83 - Step 6: Final answer
x = 650,216.70
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1.5x scale
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.