Finding the Fourth Proportional to 560,461.66, 773,454.13 and 318,778.99
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Solution
The fourth proportional to 560,461.66, 773,454.13 and 318,778.99 is: 439,924.69
Step by Step Solution
- Step 1: Write the proportion equation
560,461.66 : 773,454.13 = 318,778.99 : x - Step 2: Convert to fraction form
560,461.66/773,454.13 = 318,778.99/x - Step 3: Cross multiply
560,461.66x = 773,454.13 × 318,778.99 - Step 4: Simplify right side
560,461.66x = 246,560,923,642.15 - Step 5: Solve for x
x = 246,560,923,642.15/560,461.66 - Step 6: Final answer
x = 439,924.69
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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.