Finding the Fourth Proportional to 752,475.83, 1,128,750.66 and 303,135.75
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Solution
The fourth proportional to 752,475.83, 1,128,750.66 and 303,135.75 is: 454,718.50
Step by Step Solution
- Step 1: Write the proportion equation
752,475.83 : 1,128,750.66 = 303,135.75 : x - Step 2: Convert to fraction form
752,475.83/1,128,750.66 = 303,135.75/x - Step 3: Cross multiply
752,475.83x = 1,128,750.66 × 303,135.75 - Step 4: Simplify right side
752,475.83x = 342,164,677,882.10 - Step 5: Solve for x
x = 342,164,677,882.10/752,475.83 - Step 6: Final answer
x = 454,718.50
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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.