Finding the Fourth Proportional to 524,963.80, 787,445.70 and 324,634.60
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Solution
The fourth proportional to 524,963.80, 787,445.70 and 324,634.60 is: 486,951.90
Step by Step Solution
- Step 1: Write the proportion equation
524,963.80 : 787,445.70 = 324,634.60 : x - Step 2: Convert to fraction form
524,963.80/787,445.70 = 324,634.60/x - Step 3: Cross multiply
524,963.80x = 787,445.70 × 324,634.60 - Step 4: Simplify right side
524,963.80x = 255,632,119,841.22 - Step 5: Solve for x
x = 255,632,119,841.22/524,963.80 - Step 6: Final answer
x = 486,951.90
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Similar ratio
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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.