Finding the Fourth Proportional to 583,299.75, 804,953.67 and 315,027.75
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Solution
The fourth proportional to 583,299.75, 804,953.67 and 315,027.75 is: 434,738.30
Step by Step Solution
- Step 1: Write the proportion equation
583,299.75 : 804,953.67 = 315,027.75 : x - Step 2: Convert to fraction form
583,299.75/804,953.67 = 315,027.75/x - Step 3: Cross multiply
583,299.75x = 804,953.67 × 315,027.75 - Step 4: Simplify right side
583,299.75x = 253,582,743,514.34 - Step 5: Solve for x
x = 253,582,743,514.34/583,299.75 - Step 6: Final answer
x = 434,738.30
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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.