Finding the Fourth Proportional to 762,191.20, 1,143,729.64 and 341,467.06
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Solution
The fourth proportional to 762,191.20, 1,143,729.64 and 341,467.06 is: 512,398.99
Step by Step Solution
- Step 1: Write the proportion equation
762,191.20 : 1,143,729.64 = 341,467.06 : x - Step 2: Convert to fraction form
762,191.20/1,143,729.64 = 341,467.06/x - Step 3: Cross multiply
762,191.20x = 1,143,729.64 × 341,467.06 - Step 4: Simplify right side
762,191.20x = 390,545,997,605.66 - Step 5: Solve for x
x = 390,545,997,605.66/762,191.20 - Step 6: Final answer
x = 512,398.99
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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.