Finding the Fourth Proportional to 701,943.76, 968,682.56 and 396,085.08
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Solution
The fourth proportional to 701,943.76, 968,682.56 and 396,085.08 is: 546,597.51
Step by Step Solution
- Step 1: Write the proportion equation
701,943.76 : 968,682.56 = 396,085.08 : x - Step 2: Convert to fraction form
701,943.76/968,682.56 = 396,085.08/x - Step 3: Cross multiply
701,943.76x = 968,682.56 × 396,085.08 - Step 4: Simplify right side
701,943.76x = 383,680,709,272.21 - Step 5: Solve for x
x = 383,680,709,272.21/701,943.76 - Step 6: Final answer
x = 546,597.51
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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.