Finding the Fourth Proportional to 996,165.99, 1,374,706.04 and 543,453.75
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Solution
The fourth proportional to 996,165.99, 1,374,706.04 and 543,453.75 is: 749,964.52
Step by Step Solution
- Step 1: Write the proportion equation
996,165.99 : 1,374,706.04 = 543,453.75 : x - Step 2: Convert to fraction form
996,165.99/1,374,706.04 = 543,453.75/x - Step 3: Cross multiply
996,165.99x = 1,374,706.04 × 543,453.75 - Step 4: Simplify right side
996,165.99x = 747,089,149,868.38 - Step 5: Solve for x
x = 747,089,149,868.38/996,165.99 - Step 6: Final answer
x = 749,964.52
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1.5x scale
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.