Finding the Fourth Proportional to 982,087.57, 1,473,193.62 and 308,195.44
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Solution
The fourth proportional to 982,087.57, 1,473,193.62 and 308,195.44 is: 462,312.70
Step by Step Solution
- Step 1: Write the proportion equation
982,087.57 : 1,473,193.62 = 308,195.44 : x - Step 2: Convert to fraction form
982,087.57/1,473,193.62 = 308,195.44/x - Step 3: Cross multiply
982,087.57x = 1,473,193.62 × 308,195.44 - Step 4: Simplify right side
982,087.57x = 454,031,555,921.09 - Step 5: Solve for x
x = 454,031,555,921.09/982,087.57 - Step 6: Final answer
x = 462,312.70
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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.