Finding the Fourth Proportional to 848,744.22, 1,171,281.23 and 486,199.70
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Solution
The fourth proportional to 848,744.22, 1,171,281.23 and 486,199.70 is: 670,963.71
Step by Step Solution
- Step 1: Write the proportion equation
848,744.22 : 1,171,281.23 = 486,199.70 : x - Step 2: Convert to fraction form
848,744.22/1,171,281.23 = 486,199.70/x - Step 3: Cross multiply
848,744.22x = 1,171,281.23 × 486,199.70 - Step 4: Simplify right side
848,744.22x = 569,476,574,354.23 - Step 5: Solve for x
x = 569,476,574,354.23/848,744.22 - Step 6: Final answer
x = 670,963.71
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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.