Finding the Fourth Proportional to 858,022.62, 1,184,144.74 and 470,912.84
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Solution
The fourth proportional to 858,022.62, 1,184,144.74 and 470,912.84 is: 649,900.07
Step by Step Solution
- Step 1: Write the proportion equation
858,022.62 : 1,184,144.74 = 470,912.84 : x - Step 2: Convert to fraction form
858,022.62/1,184,144.74 = 470,912.84/x - Step 3: Cross multiply
858,022.62x = 1,184,144.74 × 470,912.84 - Step 4: Simplify right side
858,022.62x = 557,628,962,484.46 - Step 5: Solve for x
x = 557,628,962,484.46/858,022.62 - Step 6: Final answer
x = 649,900.07
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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.