Finding the Fourth Proportional to 829,894.40, 1,244,103.08 and 324,340.41
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Solution
The fourth proportional to 829,894.40, 1,244,103.08 and 324,340.41 is: 486,221.99
Step by Step Solution
- Step 1: Write the proportion equation
829,894.40 : 1,244,103.08 = 324,340.41 : x - Step 2: Convert to fraction form
829,894.40/1,244,103.08 = 324,340.41/x - Step 3: Cross multiply
829,894.40x = 1,244,103.08 × 324,340.41 - Step 4: Simplify right side
829,894.40x = 403,512,901,427.76 - Step 5: Solve for x
x = 403,512,901,427.76/829,894.40 - Step 6: Final answer
x = 486,221.99
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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.