Finding the Fourth Proportional to 748,729.68, 1,033,244.48 and 409,197.84
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Solution
The fourth proportional to 748,729.68, 1,033,244.48 and 409,197.84 is: 564,691.66
Step by Step Solution
- Step 1: Write the proportion equation
748,729.68 : 1,033,244.48 = 409,197.84 : x - Step 2: Convert to fraction form
748,729.68/1,033,244.48 = 409,197.84/x - Step 3: Cross multiply
748,729.68x = 1,033,244.48 × 409,197.84 - Step 4: Simplify right side
748,729.68x = 422,801,409,407.92 - Step 5: Solve for x
x = 422,801,409,407.92/748,729.68 - Step 6: Final answer
x = 564,691.66
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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.