Finding the Fourth Proportional to 828,154.87, 1,241,346.54 and 378,201.49
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Solution
The fourth proportional to 828,154.87, 1,241,346.54 and 378,201.49 is: 566,897.72
Step by Step Solution
- Step 1: Write the proportion equation
828,154.87 : 1,241,346.54 = 378,201.49 : x - Step 2: Convert to fraction form
828,154.87/1,241,346.54 = 378,201.49/x - Step 3: Cross multiply
828,154.87x = 1,241,346.54 × 378,201.49 - Step 4: Simplify right side
828,154.87x = 469,479,111,034.35 - Step 5: Solve for x
x = 469,479,111,034.35/828,154.87 - Step 6: Final answer
x = 566,897.72
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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.