Finding the Fourth Proportional to 494,816.31, 742,224.47 and 284,319.99
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Solution
The fourth proportional to 494,816.31, 742,224.47 and 284,319.99 is: 426,479.99
Step by Step Solution
- Step 1: Write the proportion equation
494,816.31 : 742,224.47 = 284,319.99 : x - Step 2: Convert to fraction form
494,816.31/742,224.47 = 284,319.99/x - Step 3: Cross multiply
494,816.31x = 742,224.47 × 284,319.99 - Step 4: Simplify right side
494,816.31x = 211,029,252,466.56 - Step 5: Solve for x
x = 211,029,252,466.56/494,816.31 - Step 6: Final answer
x = 426,479.99
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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.