Finding the Fourth Proportional to 774,378.74, 1,161,448.23 and 395,579.54
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Solution
The fourth proportional to 774,378.74, 1,161,448.23 and 395,579.54 is: 593,308.07
Step by Step Solution
- Step 1: Write the proportion equation
774,378.74 : 1,161,448.23 = 395,579.54 : x - Step 2: Convert to fraction form
774,378.74/1,161,448.23 = 395,579.54/x - Step 3: Cross multiply
774,378.74x = 1,161,448.23 × 395,579.54 - Step 4: Simplify right side
774,378.74x = 459,445,156,557.21 - Step 5: Solve for x
x = 459,445,156,557.21/774,378.74 - Step 6: Final answer
x = 593,308.07
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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.