Finding the Fourth Proportional to 730,203.40, 1,095,717.48 and 393,236.92
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Solution
The fourth proportional to 730,203.40, 1,095,717.48 and 393,236.92 is: 590,077.46
Step by Step Solution
- Step 1: Write the proportion equation
730,203.40 : 1,095,717.48 = 393,236.92 : x - Step 2: Convert to fraction form
730,203.40/1,095,717.48 = 393,236.92/x - Step 3: Cross multiply
730,203.40x = 1,095,717.48 × 393,236.92 - Step 4: Simplify right side
730,203.40x = 430,876,567,025.36 - Step 5: Solve for x
x = 430,876,567,025.36/730,203.40 - Step 6: Final answer
x = 590,077.46
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1.5x scale
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.