Finding the Fourth Proportional to 998,074.73, 1,497,124.09 and 278,372.63
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Solution
The fourth proportional to 998,074.73, 1,497,124.09 and 278,372.63 is: 417,562.28
Step by Step Solution
- Step 1: Write the proportion equation
998,074.73 : 1,497,124.09 = 278,372.63 : x - Step 2: Convert to fraction form
998,074.73/1,497,124.09 = 278,372.63/x - Step 3: Cross multiply
998,074.73x = 1,497,124.09 × 278,372.63 - Step 4: Simplify right side
998,074.73x = 416,758,363,232.00 - Step 5: Solve for x
x = 416,758,363,232.00/998,074.73 - Step 6: Final answer
x = 417,562.28
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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.