Finding the Fourth Proportional to 888,561.12, 1,224,938.98 and 633,469.44
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Solution
The fourth proportional to 888,561.12, 1,224,938.98 and 633,469.44 is: 873,278.59
Step by Step Solution
- Step 1: Write the proportion equation
888,561.12 : 1,224,938.98 = 633,469.44 : x - Step 2: Convert to fraction form
888,561.12/1,224,938.98 = 633,469.44/x - Step 3: Cross multiply
888,561.12x = 1,224,938.98 × 633,469.44 - Step 4: Simplify right side
888,561.12x = 775,961,401,986.40 - Step 5: Solve for x
x = 775,961,401,986.40/888,561.12 - Step 6: Final answer
x = 873,278.59
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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.