Finding the Fourth Proportional to 526,497.20, 789,745.80 and 414,522.80
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Solution
The fourth proportional to 526,497.20, 789,745.80 and 414,522.80 is: 621,784.20
Step by Step Solution
- Step 1: Write the proportion equation
526,497.20 : 789,745.80 = 414,522.80 : x - Step 2: Convert to fraction form
526,497.20/789,745.80 = 414,522.80/x - Step 3: Cross multiply
526,497.20x = 789,745.80 × 414,522.80 - Step 4: Simplify right side
526,497.20x = 327,367,640,304.24 - Step 5: Solve for x
x = 327,367,640,304.24/526,497.20 - Step 6: Final answer
x = 621,784.20
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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.