Finding the Fourth Proportional to 566,891.97, 782,310.87 and 312,243.15
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Solution
The fourth proportional to 566,891.97, 782,310.87 and 312,243.15 is: 430,895.53
Step by Step Solution
- Step 1: Write the proportion equation
566,891.97 : 782,310.87 = 312,243.15 : x - Step 2: Convert to fraction form
566,891.97/782,310.87 = 312,243.15/x - Step 3: Cross multiply
566,891.97x = 782,310.87 × 312,243.15 - Step 4: Simplify right side
566,891.97x = 244,271,213,261.71 - Step 5: Solve for x
x = 244,271,213,261.71/566,891.97 - Step 6: Final answer
x = 430,895.53
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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.