Finding the Fourth Proportional to 519,634.20, 779,451.30 and 294,907.80
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Solution
The fourth proportional to 519,634.20, 779,451.30 and 294,907.80 is: 442,361.70
Step by Step Solution
- Step 1: Write the proportion equation
519,634.20 : 779,451.30 = 294,907.80 : x - Step 2: Convert to fraction form
519,634.20/779,451.30 = 294,907.80/x - Step 3: Cross multiply
519,634.20x = 779,451.30 × 294,907.80 - Step 4: Simplify right side
519,634.20x = 229,866,268,090.14 - Step 5: Solve for x
x = 229,866,268,090.14/519,634.20 - Step 6: Final answer
x = 442,361.70
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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.