Finding the Fourth Proportional to 560,851.11, 773,970.54 and 306,202.30
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Solution
The fourth proportional to 560,851.11, 773,970.54 and 306,202.30 is: 422,556.99
Step by Step Solution
- Step 1: Write the proportion equation
560,851.11 : 773,970.54 = 306,202.30 : x - Step 2: Convert to fraction form
560,851.11/773,970.54 = 306,202.30/x - Step 3: Cross multiply
560,851.11x = 773,970.54 × 306,202.30 - Step 4: Simplify right side
560,851.11x = 236,991,559,480.24 - Step 5: Solve for x
x = 236,991,559,480.24/560,851.11 - Step 6: Final answer
x = 422,556.99
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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.