Finding the Fourth Proportional to 476,896.30, 658,174.11 and 286,014.70
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Solution
The fourth proportional to 476,896.30, 658,174.11 and 286,014.70 is: 394,734.60
Step by Step Solution
- Step 1: Write the proportion equation
476,896.30 : 658,174.11 = 286,014.70 : x - Step 2: Convert to fraction form
476,896.30/658,174.11 = 286,014.70/x - Step 3: Cross multiply
476,896.30x = 658,174.11 × 286,014.70 - Step 4: Simplify right side
476,896.30x = 188,247,470,619.42 - Step 5: Solve for x
x = 188,247,470,619.42/476,896.30 - Step 6: Final answer
x = 394,734.60
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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.