Finding the Fourth Proportional to 809,266.80, 1,213,122.60 and 629,252.40
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Solution
The fourth proportional to 809,266.80, 1,213,122.60 and 629,252.40 is: 943,273.97
Step by Step Solution
- Step 1: Write the proportion equation
809,266.80 : 1,213,122.60 = 629,252.40 : x - Step 2: Convert to fraction form
809,266.80/1,213,122.60 = 629,252.40/x - Step 3: Cross multiply
809,266.80x = 1,213,122.60 × 629,252.40 - Step 4: Simplify right side
809,266.80x = 763,360,307,544.24 - Step 5: Solve for x
x = 763,360,307,544.24/809,266.80 - Step 6: Final answer
x = 943,273.97
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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.