Finding the Fourth Proportional to 774,306.24, 1,066,070.88 and 660,672.96
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Solution
The fourth proportional to 774,306.24, 1,066,070.88 and 660,672.96 is: 909,619.69
Step by Step Solution
- Step 1: Write the proportion equation
774,306.24 : 1,066,070.88 = 660,672.96 : x - Step 2: Convert to fraction form
774,306.24/1,066,070.88 = 660,672.96/x - Step 3: Cross multiply
774,306.24x = 1,066,070.88 × 660,672.96 - Step 4: Simplify right side
774,306.24x = 704,324,203,859.41 - Step 5: Solve for x
x = 704,324,203,859.41/774,306.24 - Step 6: Final answer
x = 909,619.69
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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.