Finding the Fourth Proportional to 804,548.16, 1,206,977.76 and 272,155.68
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Solution
The fourth proportional to 804,548.16, 1,206,977.76 and 272,155.68 is: 408,286.13
Step by Step Solution
- Step 1: Write the proportion equation
804,548.16 : 1,206,977.76 = 272,155.68 : x - Step 2: Convert to fraction form
804,548.16/1,206,977.76 = 272,155.68/x - Step 3: Cross multiply
804,548.16x = 1,206,977.76 × 272,155.68 - Step 4: Simplify right side
804,548.16x = 328,485,853,017.68 - Step 5: Solve for x
x = 328,485,853,017.68/804,548.16 - Step 6: Final answer
x = 408,286.13
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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.