Finding the Fourth Proportional to 822,892.74, 1,233,252.63 and 442,879.62
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Solution
The fourth proportional to 822,892.74, 1,233,252.63 and 442,879.62 is: 663,734.69
Step by Step Solution
- Step 1: Write the proportion equation
822,892.74 : 1,233,252.63 = 442,879.62 : x - Step 2: Convert to fraction form
822,892.74/1,233,252.63 = 442,879.62/x - Step 3: Cross multiply
822,892.74x = 1,233,252.63 × 442,879.62 - Step 4: Simplify right side
822,892.74x = 546,182,456,138.40 - Step 5: Solve for x
x = 546,182,456,138.40/822,892.74 - Step 6: Final answer
x = 663,734.69
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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.