Finding the Fourth Proportional to 605,791.60, 907,909.80 and 368,882.80
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Solution
The fourth proportional to 605,791.60, 907,909.80 and 368,882.80 is: 552,850.70
Step by Step Solution
- Step 1: Write the proportion equation
605,791.60 : 907,909.80 = 368,882.80 : x - Step 2: Convert to fraction form
605,791.60/907,909.80 = 368,882.80/x - Step 3: Cross multiply
605,791.60x = 907,909.80 × 368,882.80 - Step 4: Simplify right side
605,791.60x = 334,912,309,171.44 - Step 5: Solve for x
x = 334,912,309,171.44/605,791.60 - Step 6: Final answer
x = 552,850.70
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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.