Finding the Fourth Proportional to 753,028.84, 1,039,192.50 and 413,528.68
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Solution
The fourth proportional to 753,028.84, 1,039,192.50 and 413,528.68 is: 570,676.55
Step by Step Solution
- Step 1: Write the proportion equation
753,028.84 : 1,039,192.50 = 413,528.68 : x - Step 2: Convert to fraction form
753,028.84/1,039,192.50 = 413,528.68/x - Step 3: Cross multiply
753,028.84x = 1,039,192.50 × 413,528.68 - Step 4: Simplify right side
753,028.84x = 429,735,902,790.90 - Step 5: Solve for x
x = 429,735,902,790.90/753,028.84 - Step 6: Final answer
x = 570,676.55
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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.