Finding the Fourth Proportional to 747,634.16, 1,031,732.16 and 408,102.68
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Solution
The fourth proportional to 747,634.16, 1,031,732.16 and 408,102.68 is: 563,180.07
Step by Step Solution
- Step 1: Write the proportion equation
747,634.16 : 1,031,732.16 = 408,102.68 : x - Step 2: Convert to fraction form
747,634.16/1,031,732.16 = 408,102.68/x - Step 3: Cross multiply
747,634.16x = 1,031,732.16 × 408,102.68 - Step 4: Simplify right side
747,634.16x = 421,052,659,538.19 - Step 5: Solve for x
x = 421,052,659,538.19/747,634.16 - Step 6: Final answer
x = 563,180.07
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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.