Finding the Fourth Proportional to 512,392.02, 707,251.14 and 297,628.62
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Solution
The fourth proportional to 512,392.02, 707,251.14 and 297,628.62 is: 410,814.71
Step by Step Solution
- Step 1: Write the proportion equation
512,392.02 : 707,251.14 = 297,628.62 : x - Step 2: Convert to fraction form
512,392.02/707,251.14 = 297,628.62/x - Step 3: Cross multiply
512,392.02x = 707,251.14 × 297,628.62 - Step 4: Simplify right side
512,392.02x = 210,498,180,791.63 - Step 5: Solve for x
x = 210,498,180,791.63/512,392.02 - Step 6: Final answer
x = 410,814.71
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1.5x scale
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.