Finding the Fourth Proportional to 757,410.87, 1,135,480.19 and 330,621.97
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Solution
The fourth proportional to 757,410.87, 1,135,480.19 and 330,621.97 is: 495,655.28
Step by Step Solution
- Step 1: Write the proportion equation
757,410.87 : 1,135,480.19 = 330,621.97 : x - Step 2: Convert to fraction form
757,410.87/1,135,480.19 = 330,621.97/x - Step 3: Cross multiply
757,410.87x = 1,135,480.19 × 330,621.97 - Step 4: Simplify right side
757,410.87x = 375,414,695,301.63 - Step 5: Solve for x
x = 375,414,695,301.63/757,410.87 - Step 6: Final answer
x = 495,655.28
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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.