Finding the Fourth Proportional to 725,163.60, 1,087,745.40 and 725,163.60
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Solution
The fourth proportional to 725,163.60, 1,087,745.40 and 725,163.60 is: 1,087,745.40
Step by Step Solution
- Step 1: Write the proportion equation
725,163.60 : 1,087,745.40 = 725,163.60 : x - Step 2: Convert to fraction form
725,163.60/1,087,745.40 = 725,163.60/x - Step 3: Cross multiply
725,163.60x = 1,087,745.40 × 725,163.60 - Step 4: Simplify right side
725,163.60x = 788,793,370,147.44 - Step 5: Solve for x
x = 788,793,370,147.44/725,163.60 - Step 6: Final answer
x = 1,087,745.40
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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.