Finding the Fourth Proportional to 762,489.84, 1,142,991.12 and 363,023.36
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Solution
The fourth proportional to 762,489.84, 1,142,991.12 and 363,023.36 is: 544,180.99
Step by Step Solution
- Step 1: Write the proportion equation
762,489.84 : 1,142,991.12 = 363,023.36 : x - Step 2: Convert to fraction form
762,489.84/1,142,991.12 = 363,023.36/x - Step 3: Cross multiply
762,489.84x = 1,142,991.12 × 363,023.36 - Step 4: Simplify right side
762,489.84x = 414,932,476,832.56 - Step 5: Solve for x
x = 414,932,476,832.56/762,489.84 - Step 6: Final answer
x = 544,180.99
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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.