Finding the Fourth Proportional to 832,456.44, 1,245,076.88 and 490,083.98
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Solution
The fourth proportional to 832,456.44, 1,245,076.88 and 490,083.98 is: 733,001.99
Step by Step Solution
- Step 1: Write the proportion equation
832,456.44 : 1,245,076.88 = 490,083.98 : x - Step 2: Convert to fraction form
832,456.44/1,245,076.88 = 490,083.98/x - Step 3: Cross multiply
832,456.44x = 1,245,076.88 × 490,083.98 - Step 4: Simplify right side
832,456.44x = 610,192,224,080.58 - Step 5: Solve for x
x = 610,192,224,080.58/832,456.44 - Step 6: Final answer
x = 733,001.99
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1.5x scale
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.