Finding the Fourth Proportional to 1,050,378.48, 1,449,440.46 and 620,577.09
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Solution
The fourth proportional to 1,050,378.48, 1,449,440.46 and 620,577.09 is: 856,348.03
Step by Step Solution
- Step 1: Write the proportion equation
1,050,378.48 : 1,449,440.46 = 620,577.09 : x - Step 2: Convert to fraction form
1,050,378.48/1,449,440.46 = 620,577.09/x - Step 3: Cross multiply
1,050,378.48x = 1,449,440.46 × 620,577.09 - Step 4: Simplify right side
1,050,378.48x = 899,489,542,795.06 - Step 5: Solve for x
x = 899,489,542,795.06/1,050,378.48 - Step 6: Final answer
x = 856,348.03
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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.