Finding the Fourth Proportional to 558,324.12, 770,449.36 and 303,669.84
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Solution
The fourth proportional to 558,324.12, 770,449.36 and 303,669.84 is: 419,043.75
Step by Step Solution
- Step 1: Write the proportion equation
558,324.12 : 770,449.36 = 303,669.84 : x - Step 2: Convert to fraction form
558,324.12/770,449.36 = 303,669.84/x - Step 3: Cross multiply
558,324.12x = 770,449.36 × 303,669.84 - Step 4: Simplify right side
558,324.12x = 233,962,233,879.30 - Step 5: Solve for x
x = 233,962,233,879.30/558,324.12 - Step 6: Final answer
x = 419,043.75
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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.