Finding the Fourth Proportional to 980,311.14, 1,352,826.09 and 544,726.62
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Solution
The fourth proportional to 980,311.14, 1,352,826.09 and 544,726.62 is: 751,720.91
Step by Step Solution
- Step 1: Write the proportion equation
980,311.14 : 1,352,826.09 = 544,726.62 : x - Step 2: Convert to fraction form
980,311.14/1,352,826.09 = 544,726.62/x - Step 3: Cross multiply
980,311.14x = 1,352,826.09 × 544,726.62 - Step 4: Simplify right side
980,311.14x = 736,920,383,453.52 - Step 5: Solve for x
x = 736,920,383,453.52/980,311.14 - Step 6: Final answer
x = 751,720.91
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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.