Finding the Fourth Proportional to 790,090.92, 1,090,135.17 and 479,984.49
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Solution
The fourth proportional to 790,090.92, 1,090,135.17 and 479,984.49 is: 662,262.99
Step by Step Solution
- Step 1: Write the proportion equation
790,090.92 : 1,090,135.17 = 479,984.49 : x - Step 2: Convert to fraction form
790,090.92/1,090,135.17 = 479,984.49/x - Step 3: Cross multiply
790,090.92x = 1,090,135.17 × 479,984.49 - Step 4: Simplify right side
790,090.92x = 523,247,973,603.51 - Step 5: Solve for x
x = 523,247,973,603.51/790,090.92 - Step 6: Final answer
x = 662,262.99
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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.