Finding the Fourth Proportional to 823,649.10, 1,235,473.65 and 636,794.70
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Solution
The fourth proportional to 823,649.10, 1,235,473.65 and 636,794.70 is: 955,192.05
Step by Step Solution
- Step 1: Write the proportion equation
823,649.10 : 1,235,473.65 = 636,794.70 : x - Step 2: Convert to fraction form
823,649.10/1,235,473.65 = 636,794.70/x - Step 3: Cross multiply
823,649.10x = 1,235,473.65 × 636,794.70 - Step 4: Simplify right side
823,649.10x = 786,743,072,309.66 - Step 5: Solve for x
x = 786,743,072,309.66/823,649.10 - Step 6: Final answer
x = 955,192.05
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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.