Finding the Fourth Proportional to 691,784.96, 954,666.76 and 381,698.26
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Solution
The fourth proportional to 691,784.96, 954,666.76 and 381,698.26 is: 526,745.54
Step by Step Solution
- Step 1: Write the proportion equation
691,784.96 : 954,666.76 = 381,698.26 : x - Step 2: Convert to fraction form
691,784.96/954,666.76 = 381,698.26/x - Step 3: Cross multiply
691,784.96x = 954,666.76 × 381,698.26 - Step 4: Simplify right side
691,784.96x = 364,394,645,292.13 - Step 5: Solve for x
x = 364,394,645,292.13/691,784.96 - Step 6: Final answer
x = 526,745.54
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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.