Finding the Fourth Proportional to 981,544.02, 1,471,721.19 and 640,242.42
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Solution
The fourth proportional to 981,544.02, 1,471,721.19 and 640,242.42 is: 959,975.63
Step by Step Solution
- Step 1: Write the proportion equation
981,544.02 : 1,471,721.19 = 640,242.42 : x - Step 2: Convert to fraction form
981,544.02/1,471,721.19 = 640,242.42/x - Step 3: Cross multiply
981,544.02x = 1,471,721.19 × 640,242.42 - Step 4: Simplify right side
981,544.02x = 942,258,336,250.88 - Step 5: Solve for x
x = 942,258,336,250.88/981,544.02 - Step 6: Final answer
x = 959,975.63
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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.