Finding the Fourth Proportional to 603,771.19, 833,212.85 and 331,864.21
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Solution
The fourth proportional to 603,771.19, 833,212.85 and 331,864.21 is: 457,977.34
Step by Step Solution
- Step 1: Write the proportion equation
603,771.19 : 833,212.85 = 331,864.21 : x - Step 2: Convert to fraction form
603,771.19/833,212.85 = 331,864.21/x - Step 3: Cross multiply
603,771.19x = 833,212.85 × 331,864.21 - Step 4: Simplify right side
603,771.19x = 276,513,524,227.10 - Step 5: Solve for x
x = 276,513,524,227.10/603,771.19 - Step 6: Final answer
x = 457,977.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.