Finding the Fourth Proportional to 752,747.50, 1,129,343.06 and 303,237.06
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Solution
The fourth proportional to 752,747.50, 1,129,343.06 and 303,237.06 is: 454,944.94
Step by Step Solution
- Step 1: Write the proportion equation
752,747.50 : 1,129,343.06 = 303,237.06 : x - Step 2: Convert to fraction form
752,747.50/1,129,343.06 = 303,237.06/x - Step 3: Cross multiply
752,747.50x = 1,129,343.06 × 303,237.06 - Step 4: Simplify right side
752,747.50x = 342,458,669,245.80 - Step 5: Solve for x
x = 342,458,669,245.80/752,747.50 - Step 6: Final answer
x = 454,944.94
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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.