Finding the Fourth Proportional to 891,146.23, 1,229,859.57 and 488,815.99
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Solution
The fourth proportional to 891,146.23, 1,229,859.57 and 488,815.99 is: 674,608.73
Step by Step Solution
- Step 1: Write the proportion equation
891,146.23 : 1,229,859.57 = 488,815.99 : x - Step 2: Convert to fraction form
891,146.23/1,229,859.57 = 488,815.99/x - Step 3: Cross multiply
891,146.23x = 1,229,859.57 × 488,815.99 - Step 4: Simplify right side
891,146.23x = 601,175,023,270.52 - Step 5: Solve for x
x = 601,175,023,270.52/891,146.23 - Step 6: Final answer
x = 674,608.73
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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.