Finding the Fourth Proportional to 682,905.70, 1,024,358.55 and 483,451.30
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Solution
The fourth proportional to 682,905.70, 1,024,358.55 and 483,451.30 is: 725,176.95
Step by Step Solution
- Step 1: Write the proportion equation
682,905.70 : 1,024,358.55 = 483,451.30 : x - Step 2: Convert to fraction form
682,905.70/1,024,358.55 = 483,451.30/x - Step 3: Cross multiply
682,905.70x = 1,024,358.55 × 483,451.30 - Step 4: Simplify right side
682,905.70x = 495,227,472,663.62 - Step 5: Solve for x
x = 495,227,472,663.62/682,905.70 - Step 6: Final answer
x = 725,176.95
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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.