Finding the Fourth Proportional to 756,969.30, 1,135,558.44 and 277,134.21
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Solution
The fourth proportional to 756,969.30, 1,135,558.44 and 277,134.21 is: 415,739.57
Step by Step Solution
- Step 1: Write the proportion equation
756,969.30 : 1,135,558.44 = 277,134.21 : x - Step 2: Convert to fraction form
756,969.30/1,135,558.44 = 277,134.21/x - Step 3: Cross multiply
756,969.30x = 1,135,558.44 × 277,134.21 - Step 4: Simplify right side
756,969.30x = 314,702,091,178.23 - Step 5: Solve for x
x = 314,702,091,178.23/756,969.30 - Step 6: Final answer
x = 415,739.57
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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.