Finding the Fourth Proportional to 1,228,705.36, 1,843,057.07 and 330,147.09
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Solution
The fourth proportional to 1,228,705.36, 1,843,057.07 and 330,147.09 is: 495,220.37
Step by Step Solution
- Step 1: Write the proportion equation
1,228,705.36 : 1,843,057.07 = 330,147.09 : x - Step 2: Convert to fraction form
1,228,705.36/1,843,057.07 = 330,147.09/x - Step 3: Cross multiply
1,228,705.36x = 1,843,057.07 × 330,147.09 - Step 4: Simplify right side
1,228,705.36x = 608,479,926,713.69 - Step 5: Solve for x
x = 608,479,926,713.69/1,228,705.36 - Step 6: Final answer
x = 495,220.37
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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.