Finding the Fourth Proportional to 888,128.82, 1,225,616.90 and 480,229.68
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Solution
The fourth proportional to 888,128.82, 1,225,616.90 and 480,229.68 is: 662,716.49
Step by Step Solution
- Step 1: Write the proportion equation
888,128.82 : 1,225,616.90 = 480,229.68 : x - Step 2: Convert to fraction form
888,128.82/1,225,616.90 = 480,229.68/x - Step 3: Cross multiply
888,128.82x = 1,225,616.90 × 480,229.68 - Step 4: Simplify right side
888,128.82x = 588,577,611,689.59 - Step 5: Solve for x
x = 588,577,611,689.59/888,128.82 - Step 6: Final answer
x = 662,716.49
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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.