Finding the Fourth Proportional to 668,241.92, 922,215.84 and 366,435.92
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Solution
The fourth proportional to 668,241.92, 922,215.84 and 366,435.92 is: 505,704.60
Step by Step Solution
- Step 1: Write the proportion equation
668,241.92 : 922,215.84 = 366,435.92 : x - Step 2: Convert to fraction form
668,241.92/922,215.84 = 366,435.92/x - Step 3: Cross multiply
668,241.92x = 922,215.84 × 366,435.92 - Step 4: Simplify right side
668,241.92x = 337,933,009,768.97 - Step 5: Solve for x
x = 337,933,009,768.97/668,241.92 - Step 6: Final answer
x = 505,704.60
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1.5x scale
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.