Finding the Fourth Proportional to 960,740.28, 1,440,621.24 and 320,813.92
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Solution
The fourth proportional to 960,740.28, 1,440,621.24 and 320,813.92 is: 481,057.53
Step by Step Solution
- Step 1: Write the proportion equation
960,740.28 : 1,440,621.24 = 320,813.92 : x - Step 2: Convert to fraction form
960,740.28/1,440,621.24 = 320,813.92/x - Step 3: Cross multiply
960,740.28x = 1,440,621.24 × 320,813.92 - Step 4: Simplify right side
960,740.28x = 462,171,347,239.66 - Step 5: Solve for x
x = 462,171,347,239.66/960,740.28 - Step 6: Final answer
x = 481,057.53
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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.