Finding the Fourth Proportional to 833,626.51, 1,149,769.80 and 717,537.54
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Solution
The fourth proportional to 833,626.51, 1,149,769.80 and 717,537.54 is: 989,655.43
Step by Step Solution
- Step 1: Write the proportion equation
833,626.51 : 1,149,769.80 = 717,537.54 : x - Step 2: Convert to fraction form
833,626.51/1,149,769.80 = 717,537.54/x - Step 3: Cross multiply
833,626.51x = 1,149,769.80 × 717,537.54 - Step 4: Simplify right side
833,626.51x = 825,002,998,169.93 - Step 5: Solve for x
x = 825,002,998,169.93/833,626.51 - Step 6: Final answer
x = 989,655.43
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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.