Finding the Fourth Proportional to 718,407.08, 1,077,571.56 and 219,771.08
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Solution
The fourth proportional to 718,407.08, 1,077,571.56 and 219,771.08 is: 329,644.67
Step by Step Solution
- Step 1: Write the proportion equation
718,407.08 : 1,077,571.56 = 219,771.08 : x - Step 2: Convert to fraction form
718,407.08/1,077,571.56 = 219,771.08/x - Step 3: Cross multiply
718,407.08x = 1,077,571.56 × 219,771.08 - Step 4: Simplify right side
718,407.08x = 236,819,065,518.49 - Step 5: Solve for x
x = 236,819,065,518.49/718,407.08 - Step 6: Final answer
x = 329,644.67
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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.