Finding the Fourth Proportional to 912,820.17, 1,259,594.92 and 504,857.19
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Solution
The fourth proportional to 912,820.17, 1,259,594.92 and 504,857.19 is: 696,649.32
Step by Step Solution
- Step 1: Write the proportion equation
912,820.17 : 1,259,594.92 = 504,857.19 : x - Step 2: Convert to fraction form
912,820.17/1,259,594.92 = 504,857.19/x - Step 3: Cross multiply
912,820.17x = 1,259,594.92 × 504,857.19 - Step 4: Simplify right side
912,820.17x = 635,915,551,849.48 - Step 5: Solve for x
x = 635,915,551,849.48/912,820.17 - Step 6: Final answer
x = 696,649.32
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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.