Finding the Fourth Proportional to 568,382.64, 784,368.12 and 313,733.88
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Solution
The fourth proportional to 568,382.64, 784,368.12 and 313,733.88 is: 432,952.80
Step by Step Solution
- Step 1: Write the proportion equation
568,382.64 : 784,368.12 = 313,733.88 : x - Step 2: Convert to fraction form
568,382.64/784,368.12 = 313,733.88/x - Step 3: Cross multiply
568,382.64x = 784,368.12 × 313,733.88 - Step 4: Simplify right side
568,382.64x = 246,082,853,635.91 - Step 5: Solve for x
x = 246,082,853,635.91/568,382.64 - Step 6: Final answer
x = 432,952.80
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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.