Finding the Fourth Proportional to 756,148.80, 1,134,223.20 and 693,163.20
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Solution
The fourth proportional to 756,148.80, 1,134,223.20 and 693,163.20 is: 1,039,744.80
Step by Step Solution
- Step 1: Write the proportion equation
756,148.80 : 1,134,223.20 = 693,163.20 : x - Step 2: Convert to fraction form
756,148.80/1,134,223.20 = 693,163.20/x - Step 3: Cross multiply
756,148.80x = 1,134,223.20 × 693,163.20 - Step 4: Simplify right side
756,148.80x = 786,201,782,826.24 - Step 5: Solve for x
x = 786,201,782,826.24/756,148.80 - Step 6: Final answer
x = 1,039,744.80
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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.