Finding the Fourth Proportional to 912,700.09, 1,259,515.33 and 504,769.92
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Solution
The fourth proportional to 912,700.09, 1,259,515.33 and 504,769.92 is: 696,576.52
Step by Step Solution
- Step 1: Write the proportion equation
912,700.09 : 1,259,515.33 = 504,769.92 : x - Step 2: Convert to fraction form
912,700.09/1,259,515.33 = 504,769.92/x - Step 3: Cross multiply
912,700.09x = 1,259,515.33 × 504,769.92 - Step 4: Simplify right side
912,700.09x = 635,765,452,362.87 - Step 5: Solve for x
x = 635,765,452,362.87/912,700.09 - Step 6: Final answer
x = 696,576.52
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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.