Finding the Fourth Proportional to 656,313.26, 905,712.42 and 354,507.26
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Solution
The fourth proportional to 656,313.26, 905,712.42 and 354,507.26 is: 489,220.08
Step by Step Solution
- Step 1: Write the proportion equation
656,313.26 : 905,712.42 = 354,507.26 : x - Step 2: Convert to fraction form
656,313.26/905,712.42 = 354,507.26/x - Step 3: Cross multiply
656,313.26x = 905,712.42 × 354,507.26 - Step 4: Simplify right side
656,313.26x = 321,081,628,362.17 - Step 5: Solve for x
x = 321,081,628,362.17/656,313.26 - Step 6: Final answer
x = 489,220.08
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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.