Finding the Fourth Proportional to 756,091.80, 1,134,137.70 and 336,187.80
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Solution
The fourth proportional to 756,091.80, 1,134,137.70 and 336,187.80 is: 504,281.70
Step by Step Solution
- Step 1: Write the proportion equation
756,091.80 : 1,134,137.70 = 336,187.80 : x - Step 2: Convert to fraction form
756,091.80/1,134,137.70 = 336,187.80/x - Step 3: Cross multiply
756,091.80x = 1,134,137.70 × 336,187.80 - Step 4: Simplify right side
756,091.80x = 381,283,258,260.06 - Step 5: Solve for x
x = 381,283,258,260.06/756,091.80 - Step 6: Final answer
x = 504,281.70
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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.