Finding the Fourth Proportional to 753,922.58, 1,130,881.56 and 304,638.26
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Solution
The fourth proportional to 753,922.58, 1,130,881.56 and 304,638.26 is: 456,956.46
Step by Step Solution
- Step 1: Write the proportion equation
753,922.58 : 1,130,881.56 = 304,638.26 : x - Step 2: Convert to fraction form
753,922.58/1,130,881.56 = 304,638.26/x - Step 3: Cross multiply
753,922.58x = 1,130,881.56 × 304,638.26 - Step 4: Simplify right side
753,922.58x = 344,509,790,704.49 - Step 5: Solve for x
x = 344,509,790,704.49/753,922.58 - Step 6: Final answer
x = 456,956.46
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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.