Finding the Fourth Proportional to 687,706.44, 949,183.44 and 524,786.28
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Solution
The fourth proportional to 687,706.44, 949,183.44 and 524,786.28 is: 724,318.43
Step by Step Solution
- Step 1: Write the proportion equation
687,706.44 : 949,183.44 = 524,786.28 : x - Step 2: Convert to fraction form
687,706.44/949,183.44 = 524,786.28/x - Step 3: Cross multiply
687,706.44x = 949,183.44 × 524,786.28 - Step 4: Simplify right side
687,706.44x = 498,118,446,515.20 - Step 5: Solve for x
x = 498,118,446,515.20/687,706.44 - Step 6: Final answer
x = 724,318.43
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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.