Finding the Fourth Proportional to 839,934.70, 1,259,902.05 and 804,942.70
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Solution
The fourth proportional to 839,934.70, 1,259,902.05 and 804,942.70 is: 1,207,414.05
Step by Step Solution
- Step 1: Write the proportion equation
839,934.70 : 1,259,902.05 = 804,942.70 : x - Step 2: Convert to fraction form
839,934.70/1,259,902.05 = 804,942.70/x - Step 3: Cross multiply
839,934.70x = 1,259,902.05 × 804,942.70 - Step 4: Simplify right side
839,934.70x = 1,014,148,957,862.54 - Step 5: Solve for x
x = 1,014,148,957,862.54/839,934.70 - Step 6: Final answer
x = 1,207,414.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.