Finding the Fourth Proportional to 747,554.95, 1,120,544.97 and 372,790.63
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Solution
The fourth proportional to 747,554.95, 1,120,544.97 and 372,790.63 is: 558,793.26
Step by Step Solution
- Step 1: Write the proportion equation
747,554.95 : 1,120,544.97 = 372,790.63 : x - Step 2: Convert to fraction form
747,554.95/1,120,544.97 = 372,790.63/x - Step 3: Cross multiply
747,554.95x = 1,120,544.97 × 372,790.63 - Step 4: Simplify right side
747,554.95x = 417,728,665,309.63 - Step 5: Solve for x
x = 417,728,665,309.63/747,554.95 - Step 6: Final answer
x = 558,793.26
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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.