Finding the Fourth Proportional to 485,571.97, 670,512.43 and 304,594.99
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Solution
The fourth proportional to 485,571.97, 670,512.43 and 304,594.99 is: 420,606.50
Step by Step Solution
- Step 1: Write the proportion equation
485,571.97 : 670,512.43 = 304,594.99 : x - Step 2: Convert to fraction form
485,571.97/670,512.43 = 304,594.99/x - Step 3: Cross multiply
485,571.97x = 670,512.43 × 304,594.99 - Step 4: Simplify right side
485,571.97x = 204,234,725,615.19 - Step 5: Solve for x
x = 204,234,725,615.19/485,571.97 - Step 6: Final answer
x = 420,606.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.