Finding the Fourth Proportional to 904,644.36, 1,248,353.30 and 496,744.56
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Solution
The fourth proportional to 904,644.36, 1,248,353.30 and 496,744.56 is: 685,476.79
Step by Step Solution
- Step 1: Write the proportion equation
904,644.36 : 1,248,353.30 = 496,744.56 : x - Step 2: Convert to fraction form
904,644.36/1,248,353.30 = 496,744.56/x - Step 3: Cross multiply
904,644.36x = 1,248,353.30 × 496,744.56 - Step 4: Simplify right side
904,644.36x = 620,112,711,974.91 - Step 5: Solve for x
x = 620,112,711,974.91/904,644.36 - Step 6: Final answer
x = 685,476.79
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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.