Finding the Fourth Proportional to 845,790.75, 1,167,083.96 and 463,716.99
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Solution
The fourth proportional to 845,790.75, 1,167,083.96 and 463,716.99 is: 639,870.63
Step by Step Solution
- Step 1: Write the proportion equation
845,790.75 : 1,167,083.96 = 463,716.99 : x - Step 2: Convert to fraction form
845,790.75/1,167,083.96 = 463,716.99/x - Step 3: Cross multiply
845,790.75x = 1,167,083.96 × 463,716.99 - Step 4: Simplify right side
845,790.75x = 541,196,658,689.90 - Step 5: Solve for x
x = 541,196,658,689.90/845,790.75 - Step 6: Final answer
x = 639,870.63
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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.