Finding the Fourth Proportional to 756,964.40, 1,135,467.09 and 188,322.53
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Solution
The fourth proportional to 756,964.40, 1,135,467.09 and 188,322.53 is: 282,488.89
Step by Step Solution
- Step 1: Write the proportion equation
756,964.40 : 1,135,467.09 = 188,322.53 : x - Step 2: Convert to fraction form
756,964.40/1,135,467.09 = 188,322.53/x - Step 3: Cross multiply
756,964.40x = 1,135,467.09 × 188,322.53 - Step 4: Simplify right side
756,964.40x = 213,834,029,443.20 - Step 5: Solve for x
x = 213,834,029,443.20/756,964.40 - Step 6: Final answer
x = 282,488.89
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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.