Finding the Fourth Proportional to 768,646.16, 1,151,423.88 and 383,232.08
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Solution
The fourth proportional to 768,646.16, 1,151,423.88 and 383,232.08 is: 574,077.63
Step by Step Solution
- Step 1: Write the proportion equation
768,646.16 : 1,151,423.88 = 383,232.08 : x - Step 2: Convert to fraction form
768,646.16/1,151,423.88 = 383,232.08/x - Step 3: Cross multiply
768,646.16x = 1,151,423.88 × 383,232.08 - Step 4: Simplify right side
768,646.16x = 441,262,568,494.07 - Step 5: Solve for x
x = 441,262,568,494.07/768,646.16 - Step 6: Final answer
x = 574,077.63
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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.