Finding the Fourth Proportional to 853,588.68, 1,177,976.14 and 471,640.08
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Solution
The fourth proportional to 853,588.68, 1,177,976.14 and 471,640.08 is: 650,876.44
Step by Step Solution
- Step 1: Write the proportion equation
853,588.68 : 1,177,976.14 = 471,640.08 : x - Step 2: Convert to fraction form
853,588.68/1,177,976.14 = 471,640.08/x - Step 3: Cross multiply
853,588.68x = 1,177,976.14 × 471,640.08 - Step 4: Simplify right side
853,588.68x = 555,580,760,907.69 - Step 5: Solve for x
x = 555,580,760,907.69/853,588.68 - Step 6: Final answer
x = 650,876.44
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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.