Finding the Fourth Proportional to 777,155.05, 1,165,889.74 and 327,876.90
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Solution
The fourth proportional to 777,155.05, 1,165,889.74 and 327,876.90 is: 491,881.66
Step by Step Solution
- Step 1: Write the proportion equation
777,155.05 : 1,165,889.74 = 327,876.90 : x - Step 2: Convert to fraction form
777,155.05/1,165,889.74 = 327,876.90/x - Step 3: Cross multiply
777,155.05x = 1,165,889.74 × 327,876.90 - Step 4: Simplify right side
777,155.05x = 382,268,313,693.01 - Step 5: Solve for x
x = 382,268,313,693.01/777,155.05 - Step 6: Final answer
x = 491,881.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.