Finding the Fourth Proportional to 755,754.28, 1,042,984.74 and 433,462.12
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Solution
The fourth proportional to 755,754.28, 1,042,984.74 and 433,462.12 is: 598,202.87
Step by Step Solution
- Step 1: Write the proportion equation
755,754.28 : 1,042,984.74 = 433,462.12 : x - Step 2: Convert to fraction form
755,754.28/1,042,984.74 = 433,462.12/x - Step 3: Cross multiply
755,754.28x = 1,042,984.74 × 433,462.12 - Step 4: Simplify right side
755,754.28x = 452,094,376,528.05 - Step 5: Solve for x
x = 452,094,376,528.05/755,754.28 - Step 6: Final answer
x = 598,202.87
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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.