Finding the Fourth Proportional to 798,869.16, 1,102,433.84 and 436,293.12
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Solution
The fourth proportional to 798,869.16, 1,102,433.84 and 436,293.12 is: 602,081.44
Step by Step Solution
- Step 1: Write the proportion equation
798,869.16 : 1,102,433.84 = 436,293.12 : x - Step 2: Convert to fraction form
798,869.16/1,102,433.84 = 436,293.12/x - Step 3: Cross multiply
798,869.16x = 1,102,433.84 × 436,293.12 - Step 4: Simplify right side
798,869.16x = 480,984,297,465.72 - Step 5: Solve for x
x = 480,984,297,465.72/798,869.16 - Step 6: Final answer
x = 602,081.44
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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.