Finding the Fourth Proportional to 858,488.97, 1,184,728.67 and 471,340.08
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Solution
The fourth proportional to 858,488.97, 1,184,728.67 and 471,340.08 is: 650,456.93
Step by Step Solution
- Step 1: Write the proportion equation
858,488.97 : 1,184,728.67 = 471,340.08 : x - Step 2: Convert to fraction form
858,488.97/1,184,728.67 = 471,340.08/x - Step 3: Cross multiply
858,488.97x = 1,184,728.67 × 471,340.08 - Step 4: Simplify right side
858,488.97x = 558,410,100,591.66 - Step 5: Solve for x
x = 558,410,100,591.66/858,488.97 - Step 6: Final answer
x = 650,456.93
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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.