Finding the Fourth Proportional to 904,414.62, 1,248,106.78 and 496,554.06
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Solution
The fourth proportional to 904,414.62, 1,248,106.78 and 496,554.06 is: 685,252.62
Step by Step Solution
- Step 1: Write the proportion equation
904,414.62 : 1,248,106.78 = 496,554.06 : x - Step 2: Convert to fraction form
904,414.62/1,248,106.78 = 496,554.06/x - Step 3: Cross multiply
904,414.62x = 1,248,106.78 × 496,554.06 - Step 4: Simplify right side
904,414.62x = 619,752,488,922.53 - Step 5: Solve for x
x = 619,752,488,922.53/904,414.62 - Step 6: Final answer
x = 685,252.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.