Finding the Fourth Proportional to 804,912.10, 1,205,618.55 and 488,817.70
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Solution
The fourth proportional to 804,912.10, 1,205,618.55 and 488,817.70 is: 732,164.03
Step by Step Solution
- Step 1: Write the proportion equation
804,912.10 : 1,205,618.55 = 488,817.70 : x - Step 2: Convert to fraction form
804,912.10/1,205,618.55 = 488,817.70/x - Step 3: Cross multiply
804,912.10x = 1,205,618.55 × 488,817.70 - Step 4: Simplify right side
804,912.10x = 589,327,686,688.34 - Step 5: Solve for x
x = 589,327,686,688.34/804,912.10 - Step 6: Final answer
x = 732,164.03
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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.