Finding the Fourth Proportional to 854,435.75, 1,179,632.97 and 532,581.80
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Solution
The fourth proportional to 854,435.75, 1,179,632.97 and 532,581.80 is: 735,281.79
Step by Step Solution
- Step 1: Write the proportion equation
854,435.75 : 1,179,632.97 = 532,581.80 : x - Step 2: Convert to fraction form
854,435.75/1,179,632.97 = 532,581.80/x - Step 3: Cross multiply
854,435.75x = 1,179,632.97 × 532,581.80 - Step 4: Simplify right side
854,435.75x = 628,251,044,603.78 - Step 5: Solve for x
x = 628,251,044,603.78/854,435.75 - Step 6: Final answer
x = 735,281.79
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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.