Finding the Fourth Proportional to 710,745.36, 1,065,727.56 and 350,122.70
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Solution
The fourth proportional to 710,745.36, 1,065,727.56 and 350,122.70 is: 524,991.69
Step by Step Solution
- Step 1: Write the proportion equation
710,745.36 : 1,065,727.56 = 350,122.70 : x - Step 2: Convert to fraction form
710,745.36/1,065,727.56 = 350,122.70/x - Step 3: Cross multiply
710,745.36x = 1,065,727.56 × 350,122.70 - Step 4: Simplify right side
710,745.36x = 373,135,410,771.61 - Step 5: Solve for x
x = 373,135,410,771.61/710,745.36 - Step 6: Final answer
x = 524,991.69
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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.