Finding the Fourth Proportional to 803,767.20, 1,109,137.79 and 441,133.44
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Solution
The fourth proportional to 803,767.20, 1,109,137.79 and 441,133.44 is: 608,730.70
Step by Step Solution
- Step 1: Write the proportion equation
803,767.20 : 1,109,137.79 = 441,133.44 : x - Step 2: Convert to fraction form
803,767.20/1,109,137.79 = 441,133.44/x - Step 3: Cross multiply
803,767.20x = 1,109,137.79 × 441,133.44 - Step 4: Simplify right side
803,767.20x = 489,277,766,531.03 - Step 5: Solve for x
x = 489,277,766,531.03/803,767.20 - Step 6: Final answer
x = 608,730.70
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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.