Finding the Fourth Proportional to 966,623.20, 1,450,129.20 and 809,936.80
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Solution
The fourth proportional to 966,623.20, 1,450,129.20 and 809,936.80 is: 1,215,068.09
Step by Step Solution
- Step 1: Write the proportion equation
966,623.20 : 1,450,129.20 = 809,936.80 : x - Step 2: Convert to fraction form
966,623.20/1,450,129.20 = 809,936.80/x - Step 3: Cross multiply
966,623.20x = 1,450,129.20 × 809,936.80 - Step 4: Simplify right side
966,623.20x = 1,174,513,003,834.56 - Step 5: Solve for x
x = 1,174,513,003,834.56/966,623.20 - Step 6: Final answer
x = 1,215,068.09
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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.