Finding the Fourth Proportional to 911,998.84, 1,367,260.36 and 379,919.56
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Solution
The fourth proportional to 911,998.84, 1,367,260.36 and 379,919.56 is: 569,571.95
Step by Step Solution
- Step 1: Write the proportion equation
911,998.84 : 1,367,260.36 = 379,919.56 : x - Step 2: Convert to fraction form
911,998.84/1,367,260.36 = 379,919.56/x - Step 3: Cross multiply
911,998.84x = 1,367,260.36 × 379,919.56 - Step 4: Simplify right side
911,998.84x = 519,448,954,376.64 - Step 5: Solve for x
x = 519,448,954,376.64/911,998.84 - Step 6: Final answer
x = 569,571.95
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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.