Finding the Fourth Proportional to 988,787.99, 1,483,324.13 and 305,728.13
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Solution
The fourth proportional to 988,787.99, 1,483,324.13 and 305,728.13 is: 458,636.15
Step by Step Solution
- Step 1: Write the proportion equation
988,787.99 : 1,483,324.13 = 305,728.13 : x - Step 2: Convert to fraction form
988,787.99/1,483,324.13 = 305,728.13/x - Step 3: Cross multiply
988,787.99x = 1,483,324.13 × 305,728.13 - Step 4: Simplify right side
988,787.99x = 453,493,916,921.41 - Step 5: Solve for x
x = 453,493,916,921.41/988,787.99 - Step 6: Final answer
x = 458,636.15
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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.