Finding the Fourth Proportional to 491,440.97, 678,210.36 and 276,594.95
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Solution
The fourth proportional to 491,440.97, 678,210.36 and 276,594.95 is: 381,713.31
Step by Step Solution
- Step 1: Write the proportion equation
491,440.97 : 678,210.36 = 276,594.95 : x - Step 2: Convert to fraction form
491,440.97/678,210.36 = 276,594.95/x - Step 3: Cross multiply
491,440.97x = 678,210.36 × 276,594.95 - Step 4: Simplify right side
491,440.97x = 187,589,560,613.68 - Step 5: Solve for x
x = 187,589,560,613.68/491,440.97 - Step 6: Final answer
x = 381,713.31
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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.