Finding the Fourth Proportional to 513,001.24, 707,919.76 and 283,546.80
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Solution
The fourth proportional to 513,001.24, 707,919.76 and 283,546.80 is: 391,282.45
Step by Step Solution
- Step 1: Write the proportion equation
513,001.24 : 707,919.76 = 283,546.80 : x - Step 2: Convert to fraction form
513,001.24/707,919.76 = 283,546.80/x - Step 3: Cross multiply
513,001.24x = 707,919.76 × 283,546.80 - Step 4: Simplify right side
513,001.24x = 200,728,382,604.77 - Step 5: Solve for x
x = 200,728,382,604.77/513,001.24 - Step 6: Final answer
x = 391,282.45
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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.