Finding the Fourth Proportional to 688,977.44, 1,033,485.60 and 190,341.44
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Solution
The fourth proportional to 688,977.44, 1,033,485.60 and 190,341.44 is: 285,517.53
Step by Step Solution
- Step 1: Write the proportion equation
688,977.44 : 1,033,485.60 = 190,341.44 : x - Step 2: Convert to fraction form
688,977.44/1,033,485.60 = 190,341.44/x - Step 3: Cross multiply
688,977.44x = 1,033,485.60 × 190,341.44 - Step 4: Simplify right side
688,977.44x = 196,715,137,323.26 - Step 5: Solve for x
x = 196,715,137,323.26/688,977.44 - Step 6: Final answer
x = 285,517.53
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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.