Finding the Fourth Proportional to 848,313.24, 1,170,694.68 and 461,154.72
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Solution
The fourth proportional to 848,313.24, 1,170,694.68 and 461,154.72 is: 636,405.70
Step by Step Solution
- Step 1: Write the proportion equation
848,313.24 : 1,170,694.68 = 461,154.72 : x - Step 2: Convert to fraction form
848,313.24/1,170,694.68 = 461,154.72/x - Step 3: Cross multiply
848,313.24x = 1,170,694.68 × 461,154.72 - Step 4: Simplify right side
848,313.24x = 539,871,377,360.89 - Step 5: Solve for x
x = 539,871,377,360.89/848,313.24 - Step 6: Final answer
x = 636,405.70
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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.