Finding the Fourth Proportional to 790,351.20, 1,090,684.58 and 427,775.00
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Solution
The fourth proportional to 790,351.20, 1,090,684.58 and 427,775.00 is: 590,329.45
Step by Step Solution
- Step 1: Write the proportion equation
790,351.20 : 1,090,684.58 = 427,775.00 : x - Step 2: Convert to fraction form
790,351.20/1,090,684.58 = 427,775.00/x - Step 3: Cross multiply
790,351.20x = 1,090,684.58 × 427,775.00 - Step 4: Simplify right side
790,351.20x = 466,567,588,617.20 - Step 5: Solve for x
x = 466,567,588,617.20/790,351.20 - Step 6: Final answer
x = 590,329.45
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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.