Finding the Fourth Proportional to 581,104.75, 801,968.30 and 354,793.99
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Solution
The fourth proportional to 581,104.75, 801,968.30 and 354,793.99 is: 489,642.41
Step by Step Solution
- Step 1: Write the proportion equation
581,104.75 : 801,968.30 = 354,793.99 : x - Step 2: Convert to fraction form
581,104.75/801,968.30 = 354,793.99/x - Step 3: Cross multiply
581,104.75x = 801,968.30 × 354,793.99 - Step 4: Simplify right side
581,104.75x = 284,533,531,236.55 - Step 5: Solve for x
x = 284,533,531,236.55/581,104.75 - Step 6: Final answer
x = 489,642.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.