Finding the Fourth Proportional to 663,125.16, 993,979.48 and 378,202.28
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Solution
The fourth proportional to 663,125.16, 993,979.48 and 378,202.28 is: 566,899.48
Step by Step Solution
- Step 1: Write the proportion equation
663,125.16 : 993,979.48 = 378,202.28 : x - Step 2: Convert to fraction form
663,125.16/993,979.48 = 378,202.28/x - Step 3: Cross multiply
663,125.16x = 993,979.48 × 378,202.28 - Step 4: Simplify right side
663,125.16x = 375,925,305,609.21 - Step 5: Solve for x
x = 375,925,305,609.21/663,125.16 - Step 6: Final answer
x = 566,899.48
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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.