Finding the Fourth Proportional to 775,384.85, 1,069,873.99 and 453,032.66
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Solution
The fourth proportional to 775,384.85, 1,069,873.99 and 453,032.66 is: 625,093.28
Step by Step Solution
- Step 1: Write the proportion equation
775,384.85 : 1,069,873.99 = 453,032.66 : x - Step 2: Convert to fraction form
775,384.85/1,069,873.99 = 453,032.66/x - Step 3: Cross multiply
775,384.85x = 1,069,873.99 × 453,032.66 - Step 4: Simplify right side
775,384.85x = 484,687,861,096.62 - Step 5: Solve for x
x = 484,687,861,096.62/775,384.85 - Step 6: Final answer
x = 625,093.28
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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.