Finding the Fourth Proportional to 798,431.76, 1,102,195.08 and 526,660.56
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Solution
The fourth proportional to 798,431.76, 1,102,195.08 and 526,660.56 is: 727,028.54
Step by Step Solution
- Step 1: Write the proportion equation
798,431.76 : 1,102,195.08 = 526,660.56 : x - Step 2: Convert to fraction form
798,431.76/1,102,195.08 = 526,660.56/x - Step 3: Cross multiply
798,431.76x = 1,102,195.08 × 526,660.56 - Step 4: Simplify right side
798,431.76x = 580,482,678,062.05 - Step 5: Solve for x
x = 580,482,678,062.05/798,431.76 - Step 6: Final answer
x = 727,028.54
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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.