Finding the Fourth Proportional to 732,267.05, 1,010,442.12 and 422,166.17
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Solution
The fourth proportional to 732,267.05, 1,010,442.12 and 422,166.17 is: 582,539.50
Step by Step Solution
- Step 1: Write the proportion equation
732,267.05 : 1,010,442.12 = 422,166.17 : x - Step 2: Convert to fraction form
732,267.05/1,010,442.12 = 422,166.17/x - Step 3: Cross multiply
732,267.05x = 1,010,442.12 × 422,166.17 - Step 4: Simplify right side
732,267.05x = 426,574,474,754.87 - Step 5: Solve for x
x = 426,574,474,754.87/732,267.05 - Step 6: Final answer
x = 582,539.50
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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.