Finding the Fourth Proportional to 741,628.40, 1,112,734.20 and 292,272.80
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Solution
The fourth proportional to 741,628.40, 1,112,734.20 and 292,272.80 is: 438,524.12
Step by Step Solution
- Step 1: Write the proportion equation
741,628.40 : 1,112,734.20 = 292,272.80 : x - Step 2: Convert to fraction form
741,628.40/1,112,734.20 = 292,272.80/x - Step 3: Cross multiply
741,628.40x = 1,112,734.20 × 292,272.80 - Step 4: Simplify right side
741,628.40x = 325,221,940,289.76 - Step 5: Solve for x
x = 325,221,940,289.76/741,628.40 - Step 6: Final answer
x = 438,524.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.