Finding the Fourth Proportional to 612,006.44, 844,557.68 and 340,069.38
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Solution
The fourth proportional to 612,006.44, 844,557.68 and 340,069.38 is: 469,289.52
Step by Step Solution
- Step 1: Write the proportion equation
612,006.44 : 844,557.68 = 340,069.38 : x - Step 2: Convert to fraction form
612,006.44/844,557.68 = 340,069.38/x - Step 3: Cross multiply
612,006.44x = 844,557.68 × 340,069.38 - Step 4: Simplify right side
612,006.44x = 287,208,204,911.49 - Step 5: Solve for x
x = 287,208,204,911.49/612,006.44 - Step 6: Final answer
x = 469,289.52
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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.