Finding the Fourth Proportional to 552,134.80, 828,202.20 and 489,149.20
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Solution
The fourth proportional to 552,134.80, 828,202.20 and 489,149.20 is: 733,723.80
Step by Step Solution
- Step 1: Write the proportion equation
552,134.80 : 828,202.20 = 489,149.20 : x - Step 2: Convert to fraction form
552,134.80/828,202.20 = 489,149.20/x - Step 3: Cross multiply
552,134.80x = 828,202.20 × 489,149.20 - Step 4: Simplify right side
552,134.80x = 405,114,443,568.24 - Step 5: Solve for x
x = 405,114,443,568.24/552,134.80 - Step 6: Final answer
x = 733,723.80
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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.