Finding the Fourth Proportional to 784,189.76, 1,175,810.18 and 351,828.05
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Solution
The fourth proportional to 784,189.76, 1,175,810.18 and 351,828.05 is: 527,529.20
Step by Step Solution
- Step 1: Write the proportion equation
784,189.76 : 1,175,810.18 = 351,828.05 : x - Step 2: Convert to fraction form
784,189.76/1,175,810.18 = 351,828.05/x - Step 3: Cross multiply
784,189.76x = 1,175,810.18 × 351,828.05 - Step 4: Simplify right side
784,189.76x = 413,682,995,161.36 - Step 5: Solve for x
x = 413,682,995,161.36/784,189.76 - Step 6: Final answer
x = 527,529.20
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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.