Finding the Fourth Proportional to 779,889.08, 1,076,249.64 and 422,193.08
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Solution
The fourth proportional to 779,889.08, 1,076,249.64 and 422,193.08 is: 582,627.92
Step by Step Solution
- Step 1: Write the proportion equation
779,889.08 : 1,076,249.64 = 422,193.08 : x - Step 2: Convert to fraction form
779,889.08/1,076,249.64 = 422,193.08/x - Step 3: Cross multiply
779,889.08x = 1,076,249.64 × 422,193.08 - Step 4: Simplify right side
779,889.08x = 454,385,150,360.49 - Step 5: Solve for x
x = 454,385,150,360.49/779,889.08 - Step 6: Final answer
x = 582,627.92
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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.