Finding the Fourth Proportional to 963,815.44, 1,329,629.16 and 581,720.08
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Solution
The fourth proportional to 963,815.44, 1,329,629.16 and 581,720.08 is: 802,510.47
Step by Step Solution
- Step 1: Write the proportion equation
963,815.44 : 1,329,629.16 = 581,720.08 : x - Step 2: Convert to fraction form
963,815.44/1,329,629.16 = 581,720.08/x - Step 3: Cross multiply
963,815.44x = 1,329,629.16 × 581,720.08 - Step 4: Simplify right side
963,815.44x = 773,471,981,325.53 - Step 5: Solve for x
x = 773,471,981,325.53/963,815.44 - Step 6: Final answer
x = 802,510.47
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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.