Finding the Fourth Proportional to 998,542.40, 1,497,813.60 and 555,310.40
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Solution
The fourth proportional to 998,542.40, 1,497,813.60 and 555,310.40 is: 832,965.60
Step by Step Solution
- Step 1: Write the proportion equation
998,542.40 : 1,497,813.60 = 555,310.40 : x - Step 2: Convert to fraction form
998,542.40/1,497,813.60 = 555,310.40/x - Step 3: Cross multiply
998,542.40x = 1,497,813.60 × 555,310.40 - Step 4: Simplify right side
998,542.40x = 831,751,469,341.44 - Step 5: Solve for x
x = 831,751,469,341.44/998,542.40 - Step 6: Final answer
x = 832,965.60
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Similar ratio
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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.