Finding the Fourth Proportional to 757,035.25, 1,134,992.35 and 457,445.68
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Solution
The fourth proportional to 757,035.25, 1,134,992.35 and 457,445.68 is: 685,829.82
Step by Step Solution
- Step 1: Write the proportion equation
757,035.25 : 1,134,992.35 = 457,445.68 : x - Step 2: Convert to fraction form
757,035.25/1,134,992.35 = 457,445.68/x - Step 3: Cross multiply
757,035.25x = 1,134,992.35 × 457,445.68 - Step 4: Simplify right side
757,035.25x = 519,197,347,340.55 - Step 5: Solve for x
x = 519,197,347,340.55/757,035.25 - Step 6: Final answer
x = 685,829.82
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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.