Finding the Fourth Proportional to 958,198.47, 1,438,294.61 and 705,763.99
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Solution
The fourth proportional to 958,198.47, 1,438,294.61 and 705,763.99 is: 1,059,380.26
Step by Step Solution
- Step 1: Write the proportion equation
958,198.47 : 1,438,294.61 = 705,763.99 : x - Step 2: Convert to fraction form
958,198.47/1,438,294.61 = 705,763.99/x - Step 3: Cross multiply
958,198.47x = 1,438,294.61 × 705,763.99 - Step 4: Simplify right side
958,198.47x = 1,015,096,542,749.09 - Step 5: Solve for x
x = 1,015,096,542,749.09/958,198.47 - Step 6: Final answer
x = 1,059,380.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.