Finding the Fourth Proportional to 858,474.65, 1,184,709.85 and 471,325.99
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Solution
The fourth proportional to 858,474.65, 1,184,709.85 and 471,325.99 is: 650,438.01
Step by Step Solution
- Step 1: Write the proportion equation
858,474.65 : 1,184,709.85 = 471,325.99 : x - Step 2: Convert to fraction form
858,474.65/1,184,709.85 = 471,325.99/x - Step 3: Cross multiply
858,474.65x = 1,184,709.85 × 471,325.99 - Step 4: Simplify right side
858,474.65x = 558,384,540,995.24 - Step 5: Solve for x
x = 558,384,540,995.24/858,474.65 - Step 6: Final answer
x = 650,438.01
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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.