Finding the Fourth Proportional to 780,114.06, 1,076,558.87 and 435,949.99
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Solution
The fourth proportional to 780,114.06, 1,076,558.87 and 435,949.99 is: 601,611.81
Step by Step Solution
- Step 1: Write the proportion equation
780,114.06 : 1,076,558.87 = 435,949.99 : x - Step 2: Convert to fraction form
780,114.06/1,076,558.87 = 435,949.99/x - Step 3: Cross multiply
780,114.06x = 1,076,558.87 × 435,949.99 - Step 4: Simplify right side
780,114.06x = 469,325,832,247.63 - Step 5: Solve for x
x = 469,325,832,247.63/780,114.06 - Step 6: Final answer
x = 601,611.81
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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.