Finding the Fourth Proportional to 748,636.84, 1,033,167.94 and 422,030.44
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Solution
The fourth proportional to 748,636.84, 1,033,167.94 and 422,030.44 is: 582,429.69
Step by Step Solution
- Step 1: Write the proportion equation
748,636.84 : 1,033,167.94 = 422,030.44 : x - Step 2: Convert to fraction form
748,636.84/1,033,167.94 = 422,030.44/x - Step 3: Cross multiply
748,636.84x = 1,033,167.94 × 422,030.44 - Step 4: Simplify right side
748,636.84x = 436,028,320,312.09 - Step 5: Solve for x
x = 436,028,320,312.09/748,636.84 - Step 6: Final answer
x = 582,429.69
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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.