Finding the Fourth Proportional to 771,427.36, 1,064,546.22 and 427,249.63
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Solution
The fourth proportional to 771,427.36, 1,064,546.22 and 427,249.63 is: 589,591.45
Step by Step Solution
- Step 1: Write the proportion equation
771,427.36 : 1,064,546.22 = 427,249.63 : x - Step 2: Convert to fraction form
771,427.36/1,064,546.22 = 427,249.63/x - Step 3: Cross multiply
771,427.36x = 1,064,546.22 × 427,249.63 - Step 4: Simplify right side
771,427.36x = 454,826,978,612.90 - Step 5: Solve for x
x = 454,826,978,612.90/771,427.36 - Step 6: Final answer
x = 589,591.45
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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.