Finding the Fourth Proportional to 982,105.70, 1,471,909.45 and 441,784.26
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Solution
The fourth proportional to 982,105.70, 1,471,909.45 and 441,784.26 is: 662,114.50
Step by Step Solution
- Step 1: Write the proportion equation
982,105.70 : 1,471,909.45 = 441,784.26 : x - Step 2: Convert to fraction form
982,105.70/1,471,909.45 = 441,784.26/x - Step 3: Cross multiply
982,105.70x = 1,471,909.45 × 441,784.26 - Step 4: Simplify right side
982,105.70x = 650,266,427,155.26 - Step 5: Solve for x
x = 650,266,427,155.26/982,105.70 - Step 6: Final answer
x = 662,114.50
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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.