Finding the Fourth Proportional to 955,015.27, 1,318,465.79 and 633,161.31
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Solution
The fourth proportional to 955,015.27, 1,318,465.79 and 633,161.31 is: 874,123.75
Step by Step Solution
- Step 1: Write the proportion equation
955,015.27 : 1,318,465.79 = 633,161.31 : x - Step 2: Convert to fraction form
955,015.27/1,318,465.79 = 633,161.31/x - Step 3: Cross multiply
955,015.27x = 1,318,465.79 × 633,161.31 - Step 4: Simplify right side
955,015.27x = 834,801,523,620.78 - Step 5: Solve for x
x = 834,801,523,620.78/955,015.27 - Step 6: Final answer
x = 874,123.75
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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.