Finding the Fourth Proportional to 703,769.62, 1,055,639.64 and 171,293.62
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Solution
The fourth proportional to 703,769.62, 1,055,639.64 and 171,293.62 is: 256,936.83
Step by Step Solution
- Step 1: Write the proportion equation
703,769.62 : 1,055,639.64 = 171,293.62 : x - Step 2: Convert to fraction form
703,769.62/1,055,639.64 = 171,293.62/x - Step 3: Cross multiply
703,769.62x = 1,055,639.64 × 171,293.62 - Step 4: Simplify right side
703,769.62x = 180,824,335,351.10 - Step 5: Solve for x
x = 180,824,335,351.10/703,769.62 - Step 6: Final answer
x = 256,936.83
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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.