Finding the Fourth Proportional to 641,170.08, 884,840.76 and 354,685.23
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Solution
The fourth proportional to 641,170.08, 884,840.76 and 354,685.23 is: 489,480.03
Step by Step Solution
- Step 1: Write the proportion equation
641,170.08 : 884,840.76 = 354,685.23 : x - Step 2: Convert to fraction form
641,170.08/884,840.76 = 354,685.23/x - Step 3: Cross multiply
641,170.08x = 884,840.76 × 354,685.23 - Step 4: Simplify right side
641,170.08x = 313,839,948,473.98 - Step 5: Solve for x
x = 313,839,948,473.98/641,170.08 - Step 6: Final answer
x = 489,480.03
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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.