Finding the Fourth Proportional to 782,181.19, 1,079,425.37 and 510,422.95
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Solution
The fourth proportional to 782,181.19, 1,079,425.37 and 510,422.95 is: 704,393.67
Step by Step Solution
- Step 1: Write the proportion equation
782,181.19 : 1,079,425.37 = 510,422.95 : x - Step 2: Convert to fraction form
782,181.19/1,079,425.37 = 510,422.95/x - Step 3: Cross multiply
782,181.19x = 1,079,425.37 × 510,422.95 - Step 4: Simplify right side
782,181.19x = 550,963,481,660.24 - Step 5: Solve for x
x = 550,963,481,660.24/782,181.19 - Step 6: Final answer
x = 704,393.67
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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.