Finding the Fourth Proportional to 849,062.59, 1,171,716.11 and 486,479.19
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Solution
The fourth proportional to 849,062.59, 1,171,716.11 and 486,479.19 is: 671,346.86
Step by Step Solution
- Step 1: Write the proportion equation
849,062.59 : 1,171,716.11 = 486,479.19 : x - Step 2: Convert to fraction form
849,062.59/1,171,716.11 = 486,479.19/x - Step 3: Cross multiply
849,062.59x = 1,171,716.11 × 486,479.19 - Step 4: Simplify right side
849,062.59x = 570,015,504,102.75 - Step 5: Solve for x
x = 570,015,504,102.75/849,062.59 - Step 6: Final answer
x = 671,346.86
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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.