Finding the Fourth Proportional to 955,051.62, 1,432,588.68 and 378,815.46
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Solution
The fourth proportional to 955,051.62, 1,432,588.68 and 378,815.46 is: 568,227.65
Step by Step Solution
- Step 1: Write the proportion equation
955,051.62 : 1,432,588.68 = 378,815.46 : x - Step 2: Convert to fraction form
955,051.62/1,432,588.68 = 378,815.46/x - Step 3: Cross multiply
955,051.62x = 1,432,588.68 × 378,815.46 - Step 4: Simplify right side
955,051.62x = 542,686,739,804.99 - Step 5: Solve for x
x = 542,686,739,804.99/955,051.62 - Step 6: Final answer
x = 568,227.65
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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.