Finding the Fourth Proportional to 839,107.76, 1,258,195.08 and 277,836.08
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Solution
The fourth proportional to 839,107.76, 1,258,195.08 and 277,836.08 is: 416,599.64
Step by Step Solution
- Step 1: Write the proportion equation
839,107.76 : 1,258,195.08 = 277,836.08 : x - Step 2: Convert to fraction form
839,107.76/1,258,195.08 = 277,836.08/x - Step 3: Cross multiply
839,107.76x = 1,258,195.08 × 277,836.08 - Step 4: Simplify right side
839,107.76x = 349,571,988,902.49 - Step 5: Solve for x
x = 349,571,988,902.49/839,107.76 - Step 6: Final answer
x = 416,599.64
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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.