Finding the Fourth Proportional to 930,679.68, 1,396,294.56 and 299,578.08
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Solution
The fourth proportional to 930,679.68, 1,396,294.56 and 299,578.08 is: 449,455.65
Step by Step Solution
- Step 1: Write the proportion equation
930,679.68 : 1,396,294.56 = 299,578.08 : x - Step 2: Convert to fraction form
930,679.68/1,396,294.56 = 299,578.08/x - Step 3: Cross multiply
930,679.68x = 1,396,294.56 × 299,578.08 - Step 4: Simplify right side
930,679.68x = 418,299,243,399.25 - Step 5: Solve for x
x = 418,299,243,399.25/930,679.68 - Step 6: Final answer
x = 449,455.65
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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.