Finding the Fourth Proportional to 762,317.37, 1,143,581.64 and 257,022.99
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Solution
The fourth proportional to 762,317.37, 1,143,581.64 and 257,022.99 is: 385,570.08
Step by Step Solution
- Step 1: Write the proportion equation
762,317.37 : 1,143,581.64 = 257,022.99 : x - Step 2: Convert to fraction form
762,317.37/1,143,581.64 = 257,022.99/x - Step 3: Cross multiply
762,317.37x = 1,143,581.64 × 257,022.99 - Step 4: Simplify right side
762,317.37x = 293,926,772,421.90 - Step 5: Solve for x
x = 293,926,772,421.90/762,317.37 - Step 6: Final answer
x = 385,570.08
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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.