Finding the Fourth Proportional to 762,533.98, 1,143,057.18 and 363,067.42
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Solution
The fourth proportional to 762,533.98, 1,143,057.18 and 363,067.42 is: 544,246.99
Step by Step Solution
- Step 1: Write the proportion equation
762,533.98 : 1,143,057.18 = 363,067.42 : x - Step 2: Convert to fraction form
762,533.98/1,143,057.18 = 363,067.42/x - Step 3: Cross multiply
762,533.98x = 1,143,057.18 × 363,067.42 - Step 4: Simplify right side
762,533.98x = 415,006,821,255.08 - Step 5: Solve for x
x = 415,006,821,255.08/762,533.98 - Step 6: Final answer
x = 544,246.99
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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.