Finding the Fourth Proportional to 453,752.13, 679,879.35 and 263,678.97
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Solution
The fourth proportional to 453,752.13, 679,879.35 and 263,678.97 is: 395,083.30
Step by Step Solution
- Step 1: Write the proportion equation
453,752.13 : 679,879.35 = 263,678.97 : x - Step 2: Convert to fraction form
453,752.13/679,879.35 = 263,678.97/x - Step 3: Cross multiply
453,752.13x = 679,879.35 × 263,678.97 - Step 4: Simplify right side
453,752.13x = 179,269,886,732.27 - Step 5: Solve for x
x = 179,269,886,732.27/453,752.13 - Step 6: Final answer
x = 395,083.30
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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.