Finding the Fourth Proportional to 879,012.72, 1,318,519.08 and 317,916
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Solution
The fourth proportional to 879,012.72, 1,318,519.08 and 317,916 is: 476,874.00
Step by Step Solution
- Step 1: Write the proportion equation
879,012.72 : 1,318,519.08 = 317,916 : x - Step 2: Convert to fraction form
879,012.72/1,318,519.08 = 317,916/x - Step 3: Cross multiply
879,012.72x = 1,318,519.08 × 317,916 - Step 4: Simplify right side
879,012.72x = 419,178,311,837.28 - Step 5: Solve for x
x = 419,178,311,837.28/879,012.72 - Step 6: Final answer
x = 476,874.00
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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.