Finding the Fourth Proportional to 504,593.84, 696,324.60 and 278,239.28
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Solution
The fourth proportional to 504,593.84, 696,324.60 and 278,239.28 is: 383,961.99
Step by Step Solution
- Step 1: Write the proportion equation
504,593.84 : 696,324.60 = 278,239.28 : x - Step 2: Convert to fraction form
504,593.84/696,324.60 = 278,239.28/x - Step 3: Cross multiply
504,593.84x = 696,324.60 × 278,239.28 - Step 4: Simplify right side
504,593.84x = 193,744,855,350.29 - Step 5: Solve for x
x = 193,744,855,350.29/504,593.84 - Step 6: Final answer
x = 383,961.99
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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.