Finding the Fourth Proportional to 839,626.56, 1,258,680.96 and 306,771.84
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Solution
The fourth proportional to 839,626.56, 1,258,680.96 and 306,771.84 is: 459,880.49
Step by Step Solution
- Step 1: Write the proportion equation
839,626.56 : 1,258,680.96 = 306,771.84 : x - Step 2: Convert to fraction form
839,626.56/1,258,680.96 = 306,771.84/x - Step 3: Cross multiply
839,626.56x = 1,258,680.96 × 306,771.84 - Step 4: Simplify right side
839,626.56x = 386,127,874,072.17 - Step 5: Solve for x
x = 386,127,874,072.17/839,626.56 - Step 6: Final answer
x = 459,880.49
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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.