Finding the Fourth Proportional to 494,806.20, 742,209.30 and 295,351.80
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Solution
The fourth proportional to 494,806.20, 742,209.30 and 295,351.80 is: 443,027.70
Step by Step Solution
- Step 1: Write the proportion equation
494,806.20 : 742,209.30 = 295,351.80 : x - Step 2: Convert to fraction form
494,806.20/742,209.30 = 295,351.80/x - Step 3: Cross multiply
494,806.20x = 742,209.30 × 295,351.80 - Step 4: Simplify right side
494,806.20x = 219,212,852,731.74 - Step 5: Solve for x
x = 219,212,852,731.74/494,806.20 - Step 6: Final answer
x = 443,027.70
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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.