Finding the Fourth Proportional to 613,236.06, 845,785.62 and 398,445.96
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Solution
The fourth proportional to 613,236.06, 845,785.62 and 398,445.96 is: 549,543.46
Step by Step Solution
- Step 1: Write the proportion equation
613,236.06 : 845,785.62 = 398,445.96 : x - Step 2: Convert to fraction form
613,236.06/845,785.62 = 398,445.96/x - Step 3: Cross multiply
613,236.06x = 845,785.62 × 398,445.96 - Step 4: Simplify right side
613,236.06x = 336,999,863,315.10 - Step 5: Solve for x
x = 336,999,863,315.10/613,236.06 - Step 6: Final answer
x = 549,543.46
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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.