Finding the Fourth Proportional to 741,755.87, 1,112,833.57 and 381,730.58
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Solution
The fourth proportional to 741,755.87, 1,112,833.57 and 381,730.58 is: 572,698.68
Step by Step Solution
- Step 1: Write the proportion equation
741,755.87 : 1,112,833.57 = 381,730.58 : x - Step 2: Convert to fraction form
741,755.87/1,112,833.57 = 381,730.58/x - Step 3: Cross multiply
741,755.87x = 1,112,833.57 × 381,730.58 - Step 4: Simplify right side
741,755.87x = 424,802,604,119.57 - Step 5: Solve for x
x = 424,802,604,119.57/741,755.87 - Step 6: Final answer
x = 572,698.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.