Finding the Fourth Proportional to 775,618.74, 1,069,994.61 and 453,342.42
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Solution
The fourth proportional to 775,618.74, 1,069,994.61 and 453,342.42 is: 625,402.56
Step by Step Solution
- Step 1: Write the proportion equation
775,618.74 : 1,069,994.61 = 453,342.42 : x - Step 2: Convert to fraction form
775,618.74/1,069,994.61 = 453,342.42/x - Step 3: Cross multiply
775,618.74x = 1,069,994.61 × 453,342.42 - Step 4: Simplify right side
775,618.74x = 485,073,945,884.36 - Step 5: Solve for x
x = 485,073,945,884.36/775,618.74 - Step 6: Final answer
x = 625,402.56
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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.