Finding the Fourth Proportional to 546,799.12, 755,057.44 and 343,202.88
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Solution
The fourth proportional to 546,799.12, 755,057.44 and 343,202.88 is: 473,917.90
Step by Step Solution
- Step 1: Write the proportion equation
546,799.12 : 755,057.44 = 343,202.88 : x - Step 2: Convert to fraction form
546,799.12/755,057.44 = 343,202.88/x - Step 3: Cross multiply
546,799.12x = 755,057.44 × 343,202.88 - Step 4: Simplify right side
546,799.12x = 259,137,887,973.43 - Step 5: Solve for x
x = 259,137,887,973.43/546,799.12 - Step 6: Final answer
x = 473,917.90
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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.