Finding the Fourth Proportional to 494,809.20, 742,213.80 and 295,354.80
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Solution
The fourth proportional to 494,809.20, 742,213.80 and 295,354.80 is: 443,032.20
Step by Step Solution
- Step 1: Write the proportion equation
494,809.20 : 742,213.80 = 295,354.80 : x - Step 2: Convert to fraction form
494,809.20/742,213.80 = 295,354.80/x - Step 3: Cross multiply
494,809.20x = 742,213.80 × 295,354.80 - Step 4: Simplify right side
494,809.20x = 219,216,408,456.24 - Step 5: Solve for x
x = 219,216,408,456.24/494,809.20 - Step 6: Final answer
x = 443,032.20
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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.