Finding the Fourth Proportional to 798,867.66, 1,102,431.77 and 436,291.62
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Solution
The fourth proportional to 798,867.66, 1,102,431.77 and 436,291.62 is: 602,079.37
Step by Step Solution
- Step 1: Write the proportion equation
798,867.66 : 1,102,431.77 = 436,291.62 : x - Step 2: Convert to fraction form
798,867.66/1,102,431.77 = 436,291.62/x - Step 3: Cross multiply
798,867.66x = 1,102,431.77 × 436,291.62 - Step 4: Simplify right side
798,867.66x = 480,981,738,193.28 - Step 5: Solve for x
x = 480,981,738,193.28/798,867.66 - Step 6: Final answer
x = 602,079.37
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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.