Finding the Fourth Proportional to 845,449.14, 1,267,858.63 and 339,839.70
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Solution
The fourth proportional to 845,449.14, 1,267,858.63 and 339,839.70 is: 509,632.90
Step by Step Solution
- Step 1: Write the proportion equation
845,449.14 : 1,267,858.63 = 339,839.70 : x - Step 2: Convert to fraction form
845,449.14/1,267,858.63 = 339,839.70/x - Step 3: Cross multiply
845,449.14x = 1,267,858.63 × 339,839.70 - Step 4: Simplify right side
845,449.14x = 430,868,697,352.05 - Step 5: Solve for x
x = 430,868,697,352.05/845,449.14 - Step 6: Final answer
x = 509,632.90
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1.5x scale
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.