Finding the Fourth Proportional to 770,165.43, 1,062,474.68 and 498,321.95
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Solution
The fourth proportional to 770,165.43, 1,062,474.68 and 498,321.95 is: 687,455.48
Step by Step Solution
- Step 1: Write the proportion equation
770,165.43 : 1,062,474.68 = 498,321.95 : x - Step 2: Convert to fraction form
770,165.43/1,062,474.68 = 498,321.95/x - Step 3: Cross multiply
770,165.43x = 1,062,474.68 × 498,321.95 - Step 4: Simplify right side
770,165.43x = 529,454,446,559.24 - Step 5: Solve for x
x = 529,454,446,559.24/770,165.43 - Step 6: Final answer
x = 687,455.48
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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.