Finding the Fourth Proportional to 768,226.08, 1,060,152.20 and 424,062.21
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Solution
The fourth proportional to 768,226.08, 1,060,152.20 and 424,062.21 is: 585,205.96
Step by Step Solution
- Step 1: Write the proportion equation
768,226.08 : 1,060,152.20 = 424,062.21 : x - Step 2: Convert to fraction form
768,226.08/1,060,152.20 = 424,062.21/x - Step 3: Cross multiply
768,226.08x = 1,060,152.20 × 424,062.21 - Step 4: Simplify right side
768,226.08x = 449,570,482,748.05 - Step 5: Solve for x
x = 449,570,482,748.05/768,226.08 - Step 6: Final answer
x = 585,205.96
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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.