Finding the Fourth Proportional to 525,379.84, 789,236.16 and 325,847.68
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Solution
The fourth proportional to 525,379.84, 789,236.16 and 325,847.68 is: 489,494.94
Step by Step Solution
- Step 1: Write the proportion equation
525,379.84 : 789,236.16 = 325,847.68 : x - Step 2: Convert to fraction form
525,379.84/789,236.16 = 325,847.68/x - Step 3: Cross multiply
525,379.84x = 789,236.16 × 325,847.68 - Step 4: Simplify right side
525,379.84x = 257,170,771,708.11 - Step 5: Solve for x
x = 257,170,771,708.11/525,379.84 - Step 6: Final answer
x = 489,494.94
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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.