Finding the Fourth Proportional to 998,230.78, 1,497,598.78 and 278,572.42
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Solution
The fourth proportional to 998,230.78, 1,497,598.78 and 278,572.42 is: 417,929.12
Step by Step Solution
- Step 1: Write the proportion equation
998,230.78 : 1,497,598.78 = 278,572.42 : x - Step 2: Convert to fraction form
998,230.78/1,497,598.78 = 278,572.42/x - Step 3: Cross multiply
998,230.78x = 1,497,598.78 × 278,572.42 - Step 4: Simplify right side
998,230.78x = 417,189,716,333.65 - Step 5: Solve for x
x = 417,189,716,333.65/998,230.78 - Step 6: Final answer
x = 417,929.12
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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.