Finding the Fourth Proportional to 828,160.38, 1,241,354.82 and 378,207
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Solution
The fourth proportional to 828,160.38, 1,241,354.82 and 378,207 is: 566,905.99
Step by Step Solution
- Step 1: Write the proportion equation
828,160.38 : 1,241,354.82 = 378,207 : x - Step 2: Convert to fraction form
828,160.38/1,241,354.82 = 378,207/x - Step 3: Cross multiply
828,160.38x = 1,241,354.82 × 378,207 - Step 4: Simplify right side
828,160.38x = 469,489,082,407.74 - Step 5: Solve for x
x = 469,489,082,407.74/828,160.38 - Step 6: Final answer
x = 566,905.99
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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.