Finding the Fourth Proportional to 774,701.49, 1,162,119.24 and 213,735.99
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Solution
The fourth proportional to 774,701.49, 1,162,119.24 and 213,735.99 is: 320,622.47
Step by Step Solution
- Step 1: Write the proportion equation
774,701.49 : 1,162,119.24 = 213,735.99 : x - Step 2: Convert to fraction form
774,701.49/1,162,119.24 = 213,735.99/x - Step 3: Cross multiply
774,701.49x = 1,162,119.24 × 213,735.99 - Step 4: Simplify right side
774,701.49x = 248,386,706,259.45 - Step 5: Solve for x
x = 248,386,706,259.45/774,701.49 - Step 6: Final answer
x = 320,622.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.