Finding the Fourth Proportional to 958,198.97, 1,438,295.36 and 705,764.49
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Solution
The fourth proportional to 958,198.97, 1,438,295.36 and 705,764.49 is: 1,059,381.01
Step by Step Solution
- Step 1: Write the proportion equation
958,198.97 : 1,438,295.36 = 705,764.49 : x - Step 2: Convert to fraction form
958,198.97/1,438,295.36 = 705,764.49/x - Step 3: Cross multiply
958,198.97x = 1,438,295.36 × 705,764.49 - Step 4: Simplify right side
958,198.97x = 1,015,097,787,690.94 - Step 5: Solve for x
x = 1,015,097,787,690.94/958,198.97 - Step 6: Final answer
x = 1,059,381.01
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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.