Finding the Fourth Proportional to 613,014.26, 845,946.41 and 354,902.09
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Solution
The fourth proportional to 613,014.26, 845,946.41 and 354,902.09 is: 489,757.20
Step by Step Solution
- Step 1: Write the proportion equation
613,014.26 : 845,946.41 = 354,902.09 : x - Step 2: Convert to fraction form
613,014.26/845,946.41 = 354,902.09/x - Step 3: Cross multiply
613,014.26x = 845,946.41 × 354,902.09 - Step 4: Simplify right side
613,014.26x = 300,228,142,932.75 - Step 5: Solve for x
x = 300,228,142,932.75/613,014.26 - Step 6: Final answer
x = 489,757.20
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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.