Finding the Fourth Proportional to 919,926.99, 1,379,793.42 and 246,076.31
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Solution
The fourth proportional to 919,926.99, 1,379,793.42 and 246,076.31 is: 369,088.50
Step by Step Solution
- Step 1: Write the proportion equation
919,926.99 : 1,379,793.42 = 246,076.31 : x - Step 2: Convert to fraction form
919,926.99/1,379,793.42 = 246,076.31/x - Step 3: Cross multiply
919,926.99x = 1,379,793.42 × 246,076.31 - Step 4: Simplify right side
919,926.99x = 339,534,476,805.36 - Step 5: Solve for x
x = 339,534,476,805.36/919,926.99 - Step 6: Final answer
x = 369,088.50
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1.5x scale
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.