Finding the Fourth Proportional to 489,232.04, 674,515.24 and 316,845.44
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Solution
The fourth proportional to 489,232.04, 674,515.24 and 316,845.44 is: 436,841.95
Step by Step Solution
- Step 1: Write the proportion equation
489,232.04 : 674,515.24 = 316,845.44 : x - Step 2: Convert to fraction form
489,232.04/674,515.24 = 316,845.44/x - Step 3: Cross multiply
489,232.04x = 674,515.24 × 316,845.44 - Step 4: Simplify right side
489,232.04x = 213,717,078,004.51 - Step 5: Solve for x
x = 213,717,078,004.51/489,232.04 - Step 6: Final answer
x = 436,841.95
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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.