Finding the Fourth Proportional to 734,977.16, 1,102,036.56 and 285,172.68
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Solution
The fourth proportional to 734,977.16, 1,102,036.56 and 285,172.68 is: 427,592.50
Step by Step Solution
- Step 1: Write the proportion equation
734,977.16 : 1,102,036.56 = 285,172.68 : x - Step 2: Convert to fraction form
734,977.16/1,102,036.56 = 285,172.68/x - Step 3: Cross multiply
734,977.16x = 1,102,036.56 × 285,172.68 - Step 4: Simplify right side
734,977.16x = 314,270,719,273.18 - Step 5: Solve for x
x = 314,270,719,273.18/734,977.16 - Step 6: Final answer
x = 427,592.50
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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.