Finding the Fourth Proportional to 682,681.53, 1,024,479.36 and 283,322.64
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Solution
The fourth proportional to 682,681.53, 1,024,479.36 and 283,322.64 is: 425,173.65
Step by Step Solution
- Step 1: Write the proportion equation
682,681.53 : 1,024,479.36 = 283,322.64 : x - Step 2: Convert to fraction form
682,681.53/1,024,479.36 = 283,322.64/x - Step 3: Cross multiply
682,681.53x = 1,024,479.36 × 283,322.64 - Step 4: Simplify right side
682,681.53x = 290,258,196,900.71 - Step 5: Solve for x
x = 290,258,196,900.71/682,681.53 - Step 6: Final answer
x = 425,173.65
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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.