Finding the Fourth Proportional to 741,893.27, 1,112,838.14 and 487,332.68
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Solution
The fourth proportional to 741,893.27, 1,112,838.14 and 487,332.68 is: 730,997.86
Step by Step Solution
- Step 1: Write the proportion equation
741,893.27 : 1,112,838.14 = 487,332.68 : x - Step 2: Convert to fraction form
741,893.27/1,112,838.14 = 487,332.68/x - Step 3: Cross multiply
741,893.27x = 1,112,838.14 × 487,332.68 - Step 4: Simplify right side
741,893.27x = 542,322,388,826.56 - Step 5: Solve for x
x = 542,322,388,826.56/741,893.27 - Step 6: Final answer
x = 730,997.86
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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.