Finding the Fourth Proportional to 640,324.26, 960,451.65 and 324,772.92
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Solution
The fourth proportional to 640,324.26, 960,451.65 and 324,772.92 is: 487,141.76
Step by Step Solution
- Step 1: Write the proportion equation
640,324.26 : 960,451.65 = 324,772.92 : x - Step 2: Convert to fraction form
640,324.26/960,451.65 = 324,772.92/x - Step 3: Cross multiply
640,324.26x = 960,451.65 × 324,772.92 - Step 4: Simplify right side
640,324.26x = 311,928,686,889.32 - Step 5: Solve for x
x = 311,928,686,889.32/640,324.26 - Step 6: Final answer
x = 487,141.76
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1.5x scale
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.