Finding the Fourth Proportional to 753,250.97, 1,129,950.87 and 247,606.85
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Solution
The fourth proportional to 753,250.97, 1,129,950.87 and 247,606.85 is: 371,434.74
Step by Step Solution
- Step 1: Write the proportion equation
753,250.97 : 1,129,950.87 = 247,606.85 : x - Step 2: Convert to fraction form
753,250.97/1,129,950.87 = 247,606.85/x - Step 3: Cross multiply
753,250.97x = 1,129,950.87 × 247,606.85 - Step 4: Simplify right side
753,250.97x = 279,783,575,575.46 - Step 5: Solve for x
x = 279,783,575,575.46/753,250.97 - Step 6: Final answer
x = 371,434.74
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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.