Finding the Fourth Proportional to 851,626.51, 1,175,204.97 and 488,794.97
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Solution
The fourth proportional to 851,626.51, 1,175,204.97 and 488,794.97 is: 674,514.33
Step by Step Solution
- Step 1: Write the proportion equation
851,626.51 : 1,175,204.97 = 488,794.97 : x - Step 2: Convert to fraction form
851,626.51/1,175,204.97 = 488,794.97/x - Step 3: Cross multiply
851,626.51x = 1,175,204.97 × 488,794.97 - Step 4: Simplify right side
851,626.51x = 574,434,280,993.01 - Step 5: Solve for x
x = 574,434,280,993.01/851,626.51 - Step 6: Final answer
x = 674,514.33
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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.