Finding the Fourth Proportional to 502,874.12, 693,966.29 and 276,519.62
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Solution
The fourth proportional to 502,874.12, 693,966.29 and 276,519.62 is: 381,597.07
Step by Step Solution
- Step 1: Write the proportion equation
502,874.12 : 693,966.29 = 276,519.62 : x - Step 2: Convert to fraction form
502,874.12/693,966.29 = 276,519.62/x - Step 3: Cross multiply
502,874.12x = 693,966.29 × 276,519.62 - Step 4: Simplify right side
502,874.12x = 191,895,289,951.18 - Step 5: Solve for x
x = 191,895,289,951.18/502,874.12 - Step 6: Final answer
x = 381,597.07
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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.