Finding the Fourth Proportional to 665,020.37, 917,749.97 and 363,214.37
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Solution
The fourth proportional to 665,020.37, 917,749.97 and 363,214.37 is: 501,247.76
Step by Step Solution
- Step 1: Write the proportion equation
665,020.37 : 917,749.97 = 363,214.37 : x - Step 2: Convert to fraction form
665,020.37/917,749.97 = 363,214.37/x - Step 3: Cross multiply
665,020.37x = 917,749.97 × 363,214.37 - Step 4: Simplify right side
665,020.37x = 333,339,970,766.25 - Step 5: Solve for x
x = 333,339,970,766.25/665,020.37 - Step 6: Final answer
x = 501,247.76
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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.