Finding the Fourth Proportional to 776,738.68, 1,165,560.94 and 327,432.04
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Solution
The fourth proportional to 776,738.68, 1,165,560.94 and 327,432.04 is: 491,338.99
Step by Step Solution
- Step 1: Write the proportion equation
776,738.68 : 1,165,560.94 = 327,432.04 : x - Step 2: Convert to fraction form
776,738.68/1,165,560.94 = 327,432.04/x - Step 3: Cross multiply
776,738.68x = 1,165,560.94 × 327,432.04 - Step 4: Simplify right side
776,738.68x = 381,641,996,328.52 - Step 5: Solve for x
x = 381,641,996,328.52/776,738.68 - Step 6: Final answer
x = 491,338.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.