Finding the Fourth Proportional to 893,144.78, 1,232,533.16 and 485,249.99
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Solution
The fourth proportional to 893,144.78, 1,232,533.16 and 485,249.99 is: 669,641.38
Step by Step Solution
- Step 1: Write the proportion equation
893,144.78 : 1,232,533.16 = 485,249.99 : x - Step 2: Convert to fraction form
893,144.78/1,232,533.16 = 485,249.99/x - Step 3: Cross multiply
893,144.78x = 1,232,533.16 × 485,249.99 - Step 4: Simplify right side
893,144.78x = 598,086,703,728.44 - Step 5: Solve for x
x = 598,086,703,728.44/893,144.78 - Step 6: Final answer
x = 669,641.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.