Finding the Fourth Proportional to 629,107.74, 868,173.12 and 342,622.08
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Solution
The fourth proportional to 629,107.74, 868,173.12 and 342,622.08 is: 472,820.89
Step by Step Solution
- Step 1: Write the proportion equation
629,107.74 : 868,173.12 = 342,622.08 : x - Step 2: Convert to fraction form
629,107.74/868,173.12 = 342,622.08/x - Step 3: Cross multiply
629,107.74x = 868,173.12 × 342,622.08 - Step 4: Simplify right side
629,107.74x = 297,455,280,174.49 - Step 5: Solve for x
x = 297,455,280,174.49/629,107.74 - Step 6: Final answer
x = 472,820.89
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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.