Finding the Fourth Proportional to 522,492.90, 783,739.35 and 322,163.70
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Solution
The fourth proportional to 522,492.90, 783,739.35 and 322,163.70 is: 483,245.55
Step by Step Solution
- Step 1: Write the proportion equation
522,492.90 : 783,739.35 = 322,163.70 : x - Step 2: Convert to fraction form
522,492.90/783,739.35 = 322,163.70/x - Step 3: Cross multiply
522,492.90x = 783,739.35 × 322,163.70 - Step 4: Simplify right side
522,492.90x = 252,492,368,831.60 - Step 5: Solve for x
x = 252,492,368,831.60/522,492.90 - Step 6: Final answer
x = 483,245.55
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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.