Finding the Fourth Proportional to 682,912.20, 1,024,368.30 and 483,457.80
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Solution
The fourth proportional to 682,912.20, 1,024,368.30 and 483,457.80 is: 725,186.70
Step by Step Solution
- Step 1: Write the proportion equation
682,912.20 : 1,024,368.30 = 483,457.80 : x - Step 2: Convert to fraction form
682,912.20/1,024,368.30 = 483,457.80/x - Step 3: Cross multiply
682,912.20x = 1,024,368.30 × 483,457.80 - Step 4: Simplify right side
682,912.20x = 495,238,844,707.74 - Step 5: Solve for x
x = 495,238,844,707.74/682,912.20 - Step 6: Final answer
x = 725,186.70
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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.