Finding the Fourth Proportional to 509,351.11, 702,900.39 and 276,775.99
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Solution
The fourth proportional to 509,351.11, 702,900.39 and 276,775.99 is: 381,948.62
Step by Step Solution
- Step 1: Write the proportion equation
509,351.11 : 702,900.39 = 276,775.99 : x - Step 2: Convert to fraction form
509,351.11/702,900.39 = 276,775.99/x - Step 3: Cross multiply
509,351.11x = 702,900.39 × 276,775.99 - Step 4: Simplify right side
509,351.11x = 194,545,951,313.64 - Step 5: Solve for x
x = 194,545,951,313.64/509,351.11 - Step 6: Final answer
x = 381,948.62
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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.