Finding the Fourth Proportional to 880,836.36, 1,321,281.95 and 419,113.14
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Solution
The fourth proportional to 880,836.36, 1,321,281.95 and 419,113.14 is: 628,682.75
Step by Step Solution
- Step 1: Write the proportion equation
880,836.36 : 1,321,281.95 = 419,113.14 : x - Step 2: Convert to fraction form
880,836.36/1,321,281.95 = 419,113.14/x - Step 3: Cross multiply
880,836.36x = 1,321,281.95 × 419,113.14 - Step 4: Simplify right side
880,836.36x = 553,766,624,794.26 - Step 5: Solve for x
x = 553,766,624,794.26/880,836.36 - Step 6: Final answer
x = 628,682.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.