Finding the Fourth Proportional to 528,217.20, 791,110.80 and 433,738.80
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Solution
The fourth proportional to 528,217.20, 791,110.80 and 433,738.80 is: 649,610.52
Step by Step Solution
- Step 1: Write the proportion equation
528,217.20 : 791,110.80 = 433,738.80 : x - Step 2: Convert to fraction form
528,217.20/791,110.80 = 433,738.80/x - Step 3: Cross multiply
528,217.20x = 791,110.80 × 433,738.80 - Step 4: Simplify right side
528,217.20x = 343,135,449,059.04 - Step 5: Solve for x
x = 343,135,449,059.04/528,217.20 - Step 6: Final answer
x = 649,610.52
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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.