Finding the Fourth Proportional to 522,634.68, 782,963.01 and 308,763.09
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Solution
The fourth proportional to 522,634.68, 782,963.01 and 308,763.09 is: 462,560.35
Step by Step Solution
- Step 1: Write the proportion equation
522,634.68 : 782,963.01 = 308,763.09 : x - Step 2: Convert to fraction form
522,634.68/782,963.01 = 308,763.09/x - Step 3: Cross multiply
522,634.68x = 782,963.01 × 308,763.09 - Step 4: Simplify right side
522,634.68x = 241,750,078,323.30 - Step 5: Solve for x
x = 241,750,078,323.30/522,634.68 - Step 6: Final answer
x = 462,560.35
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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.