Finding the Fourth Proportional to 768,305.16, 1,060,319.76 and 424,207.44
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Solution
The fourth proportional to 768,305.16, 1,060,319.76 and 424,207.44 is: 585,438.64
Step by Step Solution
- Step 1: Write the proportion equation
768,305.16 : 1,060,319.76 = 424,207.44 : x - Step 2: Convert to fraction form
768,305.16/1,060,319.76 = 424,207.44/x - Step 3: Cross multiply
768,305.16x = 1,060,319.76 × 424,207.44 - Step 4: Simplify right side
768,305.16x = 449,795,530,971.01 - Step 5: Solve for x
x = 449,795,530,971.01/768,305.16 - Step 6: Final answer
x = 585,438.64
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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.