Finding the Fourth Proportional to 815,496.88, 1,125,217.82 and 471,209.62
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Solution
The fourth proportional to 815,496.88, 1,125,217.82 and 471,209.62 is: 650,172.27
Step by Step Solution
- Step 1: Write the proportion equation
815,496.88 : 1,125,217.82 = 471,209.62 : x - Step 2: Convert to fraction form
815,496.88/1,125,217.82 = 471,209.62/x - Step 3: Cross multiply
815,496.88x = 1,125,217.82 × 471,209.62 - Step 4: Simplify right side
815,496.88x = 530,213,461,379.43 - Step 5: Solve for x
x = 530,213,461,379.43/815,496.88 - Step 6: Final answer
x = 650,172.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.