Finding the Fourth Proportional to 656,133.75, 905,464.62 and 354,327.75
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Solution
The fourth proportional to 656,133.75, 905,464.62 and 354,327.75 is: 488,972.32
Step by Step Solution
- Step 1: Write the proportion equation
656,133.75 : 905,464.62 = 354,327.75 : x - Step 2: Convert to fraction form
656,133.75/905,464.62 = 354,327.75/x - Step 3: Cross multiply
656,133.75x = 905,464.62 × 354,327.75 - Step 4: Simplify right side
656,133.75x = 320,831,241,509.21 - Step 5: Solve for x
x = 320,831,241,509.21/656,133.75 - Step 6: Final answer
x = 488,972.32
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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.