Finding the Fourth Proportional to 416,820.24, 574,790.40 and 370,734.36
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Solution
The fourth proportional to 416,820.24, 574,790.40 and 370,734.36 is: 511,238.49
Step by Step Solution
- Step 1: Write the proportion equation
416,820.24 : 574,790.40 = 370,734.36 : x - Step 2: Convert to fraction form
416,820.24/574,790.40 = 370,734.36/x - Step 3: Cross multiply
416,820.24x = 574,790.40 × 370,734.36 - Step 4: Simplify right side
416,820.24x = 213,094,551,078.14 - Step 5: Solve for x
x = 213,094,551,078.14/416,820.24 - Step 6: Final answer
x = 511,238.49
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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.