Finding the Fourth Proportional to 747,009.44, 1,120,513.44 and 273,731.84
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Solution
The fourth proportional to 747,009.44, 1,120,513.44 and 273,731.84 is: 410,597.50
Step by Step Solution
- Step 1: Write the proportion equation
747,009.44 : 1,120,513.44 = 273,731.84 : x - Step 2: Convert to fraction form
747,009.44/1,120,513.44 = 273,731.84/x - Step 3: Cross multiply
747,009.44x = 1,120,513.44 × 273,731.84 - Step 4: Simplify right side
747,009.44x = 306,720,205,675.93 - Step 5: Solve for x
x = 306,720,205,675.93/747,009.44 - Step 6: Final answer
x = 410,597.50
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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.