Finding the Fourth Proportional to 920,652, 1,380,092.26 and 471,584.36
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Solution
The fourth proportional to 920,652, 1,380,092.26 and 471,584.36 is: 706,922.84
Step by Step Solution
- Step 1: Write the proportion equation
920,652 : 1,380,092.26 = 471,584.36 : x - Step 2: Convert to fraction form
920,652/1,380,092.26 = 471,584.36/x - Step 3: Cross multiply
920,652x = 1,380,092.26 × 471,584.36 - Step 4: Simplify right side
920,652x = 650,829,925,173.05 - Step 5: Solve for x
x = 650,829,925,173.05/920,652 - Step 6: Final answer
x = 706,922.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.