Finding the Fourth Proportional to 705,385.97, 1,057,745.25 and 273,305.68
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Solution
The fourth proportional to 705,385.97, 1,057,745.25 and 273,305.68 is: 409,829.22
Step by Step Solution
- Step 1: Write the proportion equation
705,385.97 : 1,057,745.25 = 273,305.68 : x - Step 2: Convert to fraction form
705,385.97/1,057,745.25 = 273,305.68/x - Step 3: Cross multiply
705,385.97x = 1,057,745.25 × 273,305.68 - Step 4: Simplify right side
705,385.97x = 289,087,782,173.66 - Step 5: Solve for x
x = 289,087,782,173.66/705,385.97 - Step 6: Final answer
x = 409,829.22
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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.