Finding the Fourth Proportional to 880,830.34, 1,321,272.92 and 419,107.14
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Solution
The fourth proportional to 880,830.34, 1,321,272.92 and 419,107.14 is: 628,673.75
Step by Step Solution
- Step 1: Write the proportion equation
880,830.34 : 1,321,272.92 = 419,107.14 : x - Step 2: Convert to fraction form
880,830.34/1,321,272.92 = 419,107.14/x - Step 3: Cross multiply
880,830.34x = 1,321,272.92 × 419,107.14 - Step 4: Simplify right side
880,830.34x = 553,754,915,708.42 - Step 5: Solve for x
x = 553,754,915,708.42/880,830.34 - Step 6: Final answer
x = 628,673.75
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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.