Finding the Fourth Proportional to 655,860.65, 984,351.74 and 256,781.68
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Solution
The fourth proportional to 655,860.65, 984,351.74 and 256,781.68 is: 385,392.07
Step by Step Solution
- Step 1: Write the proportion equation
655,860.65 : 984,351.74 = 256,781.68 : x - Step 2: Convert to fraction form
655,860.65/984,351.74 = 256,781.68/x - Step 3: Cross multiply
655,860.65x = 984,351.74 × 256,781.68 - Step 4: Simplify right side
655,860.65x = 252,763,491,689.20 - Step 5: Solve for x
x = 252,763,491,689.20/655,860.65 - Step 6: Final answer
x = 385,392.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.