Finding the Fourth Proportional to 704,790.24, 1,057,175.88 and 172,315.84
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Solution
The fourth proportional to 704,790.24, 1,057,175.88 and 172,315.84 is: 258,471.44
Step by Step Solution
- Step 1: Write the proportion equation
704,790.24 : 1,057,175.88 = 172,315.84 : x - Step 2: Convert to fraction form
704,790.24/1,057,175.88 = 172,315.84/x - Step 3: Cross multiply
704,790.24x = 1,057,175.88 × 172,315.84 - Step 4: Simplify right side
704,790.24x = 182,168,149,789.94 - Step 5: Solve for x
x = 182,168,149,789.94/704,790.24 - Step 6: Final answer
x = 258,471.44
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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.