Finding the Fourth Proportional to 781,284.88, 1,171,842.57 and 248,764.05
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Solution
The fourth proportional to 781,284.88, 1,171,842.57 and 248,764.05 is: 373,119.09
Step by Step Solution
- Step 1: Write the proportion equation
781,284.88 : 1,171,842.57 = 248,764.05 : x - Step 2: Convert to fraction form
781,284.88/1,171,842.57 = 248,764.05/x - Step 3: Cross multiply
781,284.88x = 1,171,842.57 × 248,764.05 - Step 4: Simplify right side
781,284.88x = 291,512,303,675.61 - Step 5: Solve for x
x = 291,512,303,675.61/781,284.88 - Step 6: Final answer
x = 373,119.09
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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.