Finding the Fourth Proportional to 768,004.08, 1,059,838.20 and 423,843.20
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Solution
The fourth proportional to 768,004.08, 1,059,838.20 and 423,843.20 is: 584,899.52
Step by Step Solution
- Step 1: Write the proportion equation
768,004.08 : 1,059,838.20 = 423,843.20 : x - Step 2: Convert to fraction form
768,004.08/1,059,838.20 = 423,843.20/x - Step 3: Cross multiply
768,004.08x = 1,059,838.20 × 423,843.20 - Step 4: Simplify right side
768,004.08x = 449,205,214,170.24 - Step 5: Solve for x
x = 449,205,214,170.24/768,004.08 - Step 6: Final answer
x = 584,899.52
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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.