Finding the Fourth Proportional to 702,645.80, 1,053,811.08 and 323,202.13
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Solution
The fourth proportional to 702,645.80, 1,053,811.08 and 323,202.13 is: 484,730.69
Step by Step Solution
- Step 1: Write the proportion equation
702,645.80 : 1,053,811.08 = 323,202.13 : x - Step 2: Convert to fraction form
702,645.80/1,053,811.08 = 323,202.13/x - Step 3: Cross multiply
702,645.80x = 1,053,811.08 × 323,202.13 - Step 4: Simplify right side
702,645.80x = 340,593,983,039.07 - Step 5: Solve for x
x = 340,593,983,039.07/702,645.80 - Step 6: Final answer
x = 484,730.69
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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.