Finding the Fourth Proportional to 775,918.24, 1,163,877.96 and 371,015.13
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Solution
The fourth proportional to 775,918.24, 1,163,877.96 and 371,015.13 is: 556,522.99
Step by Step Solution
- Step 1: Write the proportion equation
775,918.24 : 1,163,877.96 = 371,015.13 : x - Step 2: Convert to fraction form
775,918.24/1,163,877.96 = 371,015.13/x - Step 3: Cross multiply
775,918.24x = 1,163,877.96 × 371,015.13 - Step 4: Simplify right side
775,918.24x = 431,816,338,389.38 - Step 5: Solve for x
x = 431,816,338,389.38/775,918.24 - Step 6: Final answer
x = 556,522.99
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1.5x scale
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.