Finding the Fourth Proportional to 620,594.12, 856,456.38 and 467,361.96
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Solution
The fourth proportional to 620,594.12, 856,456.38 and 467,361.96 is: 644,986.99
Step by Step Solution
- Step 1: Write the proportion equation
620,594.12 : 856,456.38 = 467,361.96 : x - Step 2: Convert to fraction form
620,594.12/856,456.38 = 467,361.96/x - Step 3: Cross multiply
620,594.12x = 856,456.38 × 467,361.96 - Step 4: Simplify right side
620,594.12x = 400,275,132,411.31 - Step 5: Solve for x
x = 400,275,132,411.31/620,594.12 - Step 6: Final answer
x = 644,986.99
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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.