Finding the Fourth Proportional to 768,306.16, 1,060,321.14 and 424,208.44
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Solution
The fourth proportional to 768,306.16, 1,060,321.14 and 424,208.44 is: 585,440.02
Step by Step Solution
- Step 1: Write the proportion equation
768,306.16 : 1,060,321.14 = 424,208.44 : x - Step 2: Convert to fraction form
768,306.16/1,060,321.14 = 424,208.44/x - Step 3: Cross multiply
768,306.16x = 1,060,321.14 × 424,208.44 - Step 4: Simplify right side
768,306.16x = 449,797,176,698.42 - Step 5: Solve for x
x = 449,797,176,698.42/768,306.16 - Step 6: Final answer
x = 585,440.02
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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.