Finding the Fourth Proportional to 768,176.64, 1,060,083.84 and 424,012.68
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Solution
The fourth proportional to 768,176.64, 1,060,083.84 and 424,012.68 is: 585,137.54
Step by Step Solution
- Step 1: Write the proportion equation
768,176.64 : 1,060,083.84 = 424,012.68 : x - Step 2: Convert to fraction form
768,176.64/1,060,083.84 = 424,012.68/x - Step 3: Cross multiply
768,176.64x = 1,060,083.84 × 424,012.68 - Step 4: Simplify right side
768,176.64x = 449,488,990,023.09 - Step 5: Solve for x
x = 449,488,990,023.09/768,176.64 - Step 6: Final answer
x = 585,137.54
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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.