Finding the Fourth Proportional to 853,559.92, 1,177,812.30 and 471,563.92
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Solution
The fourth proportional to 853,559.92, 1,177,812.30 and 471,563.92 is: 650,702.75
Step by Step Solution
- Step 1: Write the proportion equation
853,559.92 : 1,177,812.30 = 471,563.92 : x - Step 2: Convert to fraction form
853,559.92/1,177,812.30 = 471,563.92/x - Step 3: Cross multiply
853,559.92x = 1,177,812.30 × 471,563.92 - Step 4: Simplify right side
853,559.92x = 555,413,785,212.22 - Step 5: Solve for x
x = 555,413,785,212.22/853,559.92 - Step 6: Final answer
x = 650,702.75
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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.