Finding the Fourth Proportional to 960,668.14, 1,440,974.88 and 286,755.02
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Solution
The fourth proportional to 960,668.14, 1,440,974.88 and 286,755.02 is: 430,124.37
Step by Step Solution
- Step 1: Write the proportion equation
960,668.14 : 1,440,974.88 = 286,755.02 : x - Step 2: Convert to fraction form
960,668.14/1,440,974.88 = 286,755.02/x - Step 3: Cross multiply
960,668.14x = 1,440,974.88 × 286,755.02 - Step 4: Simplify right side
960,668.14x = 413,206,780,533.90 - Step 5: Solve for x
x = 413,206,780,533.90/960,668.14 - Step 6: Final answer
x = 430,124.37
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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.