Finding the Fourth Proportional to 833,627.51, 1,149,771.18 and 717,538.54
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Solution
The fourth proportional to 833,627.51, 1,149,771.18 and 717,538.54 is: 989,656.80
Step by Step Solution
- Step 1: Write the proportion equation
833,627.51 : 1,149,771.18 = 717,538.54 : x - Step 2: Convert to fraction form
833,627.51/1,149,771.18 = 717,538.54/x - Step 3: Cross multiply
833,627.51x = 1,149,771.18 × 717,538.54 - Step 4: Simplify right side
833,627.51x = 825,005,133,831.28 - Step 5: Solve for x
x = 825,005,133,831.28/833,627.51 - Step 6: Final answer
x = 989,656.80
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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.