Finding the Fourth Proportional to 814,922.48, 1,124,536.73 and 452,317.81
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Solution
The fourth proportional to 814,922.48, 1,124,536.73 and 452,317.81 is: 624,167.33
Step by Step Solution
- Step 1: Write the proportion equation
814,922.48 : 1,124,536.73 = 452,317.81 : x - Step 2: Convert to fraction form
814,922.48/1,124,536.73 = 452,317.81/x - Step 3: Cross multiply
814,922.48x = 1,124,536.73 × 452,317.81 - Step 4: Simplify right side
814,922.48x = 508,647,990,978.16 - Step 5: Solve for x
x = 508,647,990,978.16/814,922.48 - Step 6: Final answer
x = 624,167.33
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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.