Finding the Fourth Proportional to 789,555.26, 1,184,209.22 and 257,072.69
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Solution
The fourth proportional to 789,555.26, 1,184,209.22 and 257,072.69 is: 385,568.76
Step by Step Solution
- Step 1: Write the proportion equation
789,555.26 : 1,184,209.22 = 257,072.69 : x - Step 2: Convert to fraction form
789,555.26/1,184,209.22 = 257,072.69/x - Step 3: Cross multiply
789,555.26x = 1,184,209.22 × 257,072.69 - Step 4: Simplify right side
789,555.26x = 304,427,842,501.79 - Step 5: Solve for x
x = 304,427,842,501.79/789,555.26 - Step 6: Final answer
x = 385,568.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.