Finding the Fourth Proportional to 480,853.26, 663,626.93 and 276,911.87
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Solution
The fourth proportional to 480,853.26, 663,626.93 and 276,911.87 is: 382,166.84
Step by Step Solution
- Step 1: Write the proportion equation
480,853.26 : 663,626.93 = 276,911.87 : x - Step 2: Convert to fraction form
480,853.26/663,626.93 = 276,911.87/x - Step 3: Cross multiply
480,853.26x = 663,626.93 × 276,911.87 - Step 4: Simplify right side
480,853.26x = 183,766,169,465.97 - Step 5: Solve for x
x = 183,766,169,465.97/480,853.26 - Step 6: Final answer
x = 382,166.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.