Finding the Fourth Proportional to 701,936.76, 968,672.88 and 396,078.06
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Solution
The fourth proportional to 701,936.76, 968,672.88 and 396,078.06 is: 546,587.81
Step by Step Solution
- Step 1: Write the proportion equation
701,936.76 : 968,672.88 = 396,078.06 : x - Step 2: Convert to fraction form
701,936.76/968,672.88 = 396,078.06/x - Step 3: Cross multiply
701,936.76x = 968,672.88 × 396,078.06 - Step 4: Simplify right side
701,936.76x = 383,670,075,085.01 - Step 5: Solve for x
x = 383,670,075,085.01/701,936.76 - Step 6: Final answer
x = 546,587.81
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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.