Finding the Fourth Proportional to 756,588.36, 1,135,153.64 and 324,124.44
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Solution
The fourth proportional to 756,588.36, 1,135,153.64 and 324,124.44 is: 486,302.80
Step by Step Solution
- Step 1: Write the proportion equation
756,588.36 : 1,135,153.64 = 324,124.44 : x - Step 2: Convert to fraction form
756,588.36/1,135,153.64 = 324,124.44/x - Step 3: Cross multiply
756,588.36x = 1,135,153.64 × 324,124.44 - Step 4: Simplify right side
756,588.36x = 367,931,037,878.96 - Step 5: Solve for x
x = 367,931,037,878.96/756,588.36 - Step 6: Final answer
x = 486,302.80
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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.