Finding the Fourth Proportional to 608,747.70, 913,121.55 and 276,323.70
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Solution
The fourth proportional to 608,747.70, 913,121.55 and 276,323.70 is: 414,485.55
Step by Step Solution
- Step 1: Write the proportion equation
608,747.70 : 913,121.55 = 276,323.70 : x - Step 2: Convert to fraction form
608,747.70/913,121.55 = 276,323.70/x - Step 3: Cross multiply
608,747.70x = 913,121.55 × 276,323.70 - Step 4: Simplify right side
608,747.70x = 252,317,125,245.74 - Step 5: Solve for x
x = 252,317,125,245.74/608,747.70 - Step 6: Final answer
x = 414,485.55
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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.