Finding the Fourth Proportional to 811,078.24, 1,118,915.94 and 524,690.68
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Solution
The fourth proportional to 811,078.24, 1,118,915.94 and 524,690.68 is: 723,832.47
Step by Step Solution
- Step 1: Write the proportion equation
811,078.24 : 1,118,915.94 = 524,690.68 : x - Step 2: Convert to fraction form
811,078.24/1,118,915.94 = 524,690.68/x - Step 3: Cross multiply
811,078.24x = 1,118,915.94 × 524,690.68 - Step 4: Simplify right side
811,078.24x = 587,084,765,421.44 - Step 5: Solve for x
x = 587,084,765,421.44/811,078.24 - Step 6: Final answer
x = 723,832.47
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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.