Finding the Fourth Proportional to 876,635.75, 1,313,855.92 and 470,830.71
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Solution
The fourth proportional to 876,635.75, 1,313,855.92 and 470,830.71 is: 705,656.50
Step by Step Solution
- Step 1: Write the proportion equation
876,635.75 : 1,313,855.92 = 470,830.71 : x - Step 2: Convert to fraction form
876,635.75/1,313,855.92 = 470,830.71/x - Step 3: Cross multiply
876,635.75x = 1,313,855.92 × 470,830.71 - Step 4: Simplify right side
876,635.75x = 618,603,715,651.30 - Step 5: Solve for x
x = 618,603,715,651.30/876,635.75 - Step 6: Final answer
x = 705,656.50
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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.