Finding the Fourth Proportional to 490,795.13, 677,020.68 and 294,510.84
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Solution
The fourth proportional to 490,795.13, 677,020.68 and 294,510.84 is: 406,258.98
Step by Step Solution
- Step 1: Write the proportion equation
490,795.13 : 677,020.68 = 294,510.84 : x - Step 2: Convert to fraction form
490,795.13/677,020.68 = 294,510.84/x - Step 3: Cross multiply
490,795.13x = 677,020.68 × 294,510.84 - Step 4: Simplify right side
490,795.13x = 199,389,929,164.17 - Step 5: Solve for x
x = 199,389,929,164.17/490,795.13 - Step 6: Final answer
x = 406,258.98
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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.