Finding the Fourth Proportional to 839,922.70, 1,259,884.05 and 804,930.70
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Solution
The fourth proportional to 839,922.70, 1,259,884.05 and 804,930.70 is: 1,207,396.05
Step by Step Solution
- Step 1: Write the proportion equation
839,922.70 : 1,259,884.05 = 804,930.70 : x - Step 2: Convert to fraction form
839,922.70/1,259,884.05 = 804,930.70/x - Step 3: Cross multiply
839,922.70x = 1,259,884.05 × 804,930.70 - Step 4: Simplify right side
839,922.70x = 1,014,119,350,285.34 - Step 5: Solve for x
x = 1,014,119,350,285.34/839,922.70 - Step 6: Final answer
x = 1,207,396.05
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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.