Finding the Fourth Proportional to 820,568.84, 1,131,492.29 and 533,556.68
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Solution
The fourth proportional to 820,568.84, 1,131,492.29 and 533,556.68 is: 735,727.75
Step by Step Solution
- Step 1: Write the proportion equation
820,568.84 : 1,131,492.29 = 533,556.68 : x - Step 2: Convert to fraction form
820,568.84/1,131,492.29 = 533,556.68/x - Step 3: Cross multiply
820,568.84x = 1,131,492.29 × 533,556.68 - Step 4: Simplify right side
820,568.84x = 603,715,261,372.75 - Step 5: Solve for x
x = 603,715,261,372.75/820,568.84 - Step 6: Final answer
x = 735,727.75
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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.