Finding the Fourth Proportional to 919,927.66, 1,379,794.41 and 246,076.96
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Solution
The fourth proportional to 919,927.66, 1,379,794.41 and 246,076.96 is: 369,089.47
Step by Step Solution
- Step 1: Write the proportion equation
919,927.66 : 1,379,794.41 = 246,076.96 : x - Step 2: Convert to fraction form
919,927.66/1,379,794.41 = 246,076.96/x - Step 3: Cross multiply
919,927.66x = 1,379,794.41 × 246,076.96 - Step 4: Simplify right side
919,927.66x = 339,535,610,388.31 - Step 5: Solve for x
x = 339,535,610,388.31/919,927.66 - Step 6: Final answer
x = 369,089.47
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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.