Finding the Fourth Proportional to 833,629.80, 1,149,774.33 and 717,540.84
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Solution
The fourth proportional to 833,629.80, 1,149,774.33 and 717,540.84 is: 989,659.96
Step by Step Solution
- Step 1: Write the proportion equation
833,629.80 : 1,149,774.33 = 717,540.84 : x - Step 2: Convert to fraction form
833,629.80/1,149,774.33 = 717,540.84/x - Step 3: Cross multiply
833,629.80x = 1,149,774.33 × 717,540.84 - Step 4: Simplify right side
833,629.80x = 825,010,038,558.64 - Step 5: Solve for x
x = 825,010,038,558.64/833,629.80 - Step 6: Final answer
x = 989,659.96
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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.