Finding the Fourth Proportional to 946,986.53, 1,306,517.24 and 538,986.18
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Solution
The fourth proportional to 946,986.53, 1,306,517.24 and 538,986.18 is: 743,616.43
Step by Step Solution
- Step 1: Write the proportion equation
946,986.53 : 1,306,517.24 = 538,986.18 : x - Step 2: Convert to fraction form
946,986.53/1,306,517.24 = 538,986.18/x - Step 3: Cross multiply
946,986.53x = 1,306,517.24 × 538,986.18 - Step 4: Simplify right side
946,986.53x = 704,194,742,538.65 - Step 5: Solve for x
x = 704,194,742,538.65/946,986.53 - Step 6: Final answer
x = 743,616.43
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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.